Tham khảo Agkistrodon_contortrix

  1. McDiarmid RW, Campbell JA, Touré T. 1999. Snake Species of the World: A Taxonomic and Geographic Reference, Volume 1. Washington, District of Columbia: Herpetologists' League. 511 pp. ISBN 1-893777-00-6 (series). ISBN 1-893777-01-4 (volume).
  2. “Agkistrodon contortrix”. The Reptile Database. Truy cập ngày 29 tháng 5 năm 2013. 
  3. Agkistrodon contortrix (TSN 174296) tại Hệ thống Thông tin Phân loại Tích hợp (ITIS).
  4. Ernst, C. H., & Barbour, R. W. (1989). Snakes of eastern North America.
  5. Palmer, W. M. (1995). Reptiles of North Carolina. Univ of North Carolina Press.
  6. Stejneger, L. H. (1895). The poisonous snakes of North America. US Government Printing Office.
  7. Schuett, G. W., & Grober, M. S. (2000). Post-fight levels of plasma lactate and corticosterone in male copperheads, Agkistrodon contortrix (Serpentes, Viperidae): differences between winners and losers. Physiology & behavior, 71(3), 335-341.
  8. Shine, R. (1992). Relative clutch mass and body shape in lizards and snakes: is reproductive investment constrained or optimized? Evolution, 828-833.
  9. Campbell JA, Lamar WW. 2004. The Venomous Reptiles of the Western Hemisphere. Ithaca and London: Comstock Publishing Associates. 870 pp., 1500 plates. ISBN 0-8014-4141-2.
  10. Gloyd HK, Conant R. 1990. Snakes of the Agkistrodon Complex: A Monographic Review. Society for the Study of Amphibians and Reptiles. 614 pp., 52 plates. LCCN 89-50342. ISBN 0-916984-20-6.

Tài liệu tham khảo

WikiPedia: Agkistrodon_contortrix http://www.animalcontrolsolutions.com/animals/copp... http://www.gherp.com/ http://www.gherp.com/gallery/new/Copperhead.jpg http://www.snakesandspiders.com/copperhead-snake-f... http://reptile-database.reptarium.cz/ http://reptile-database.reptarium.cz/species.php?g... http://reptile-database.reptarium.cz/species?genus... http://www.itis.gov/servlet/SingleRpt/SingleRpt?se... http://www.copperheadsnake.net http://pages.cthome.net/rwinkler/