Tham khảo Di_chỉ_Trinil

  1. Indonesia's "Java Man". Smithsonian Institution. Truy cập 22/02/2016.
  2. Turner W (1895). “On M. Dubois' Description of Remains recently found in Java, named by him Pithecanthropus erectus: With Remarks on so-called Transitional Forms between Apes and Man”. Journal of Anatomy and Physiology. 29 (Pt 3): 424–45. PMC 1328414. PMID 17232143. Đã bỏ qua tham số không rõ |month= (trợ giúp)
  3. Hepburn D (1896). “The Trinil Femur (Pithecanthropus erectus), contrasted with the Femora of Various Savage and Civilised Races”. Journal of Anatomy and Physiology. 31 (Pt 1): 1–17. PMC 1327807. PMID 17232222. Đã bỏ qua tham số không rõ |month= (trợ giúp)
  4. G. J. Sawyer, Viktor Deak: Der lange Weg zum Menschen. Lebensbilder aus 7 Millionen Jahren Evolution. Spektrum Akademischer Verlag, Heidelberg, 2008, S. 117. Als „Mindestalter“ werden hier 700.000 Jahre, als – „möglicherweise zu hoch angesetzte“ – Obergrenze werden 1,5 Mio. Jahre ausgewiesen.