Tham khảo Cừu Marco Polo

  1. 1 2 Wilson & Reeder 2005
  2. ↑ Fedosenko & Blank 2005, tr. 2
  3. 1 2 Schaller & Kang 2006
  4. 1 2 3 Dohner 2002, tr. 66
  5. 1 2 3 4 Magin & Groombridge 1994, tr. 2
  6. ↑ Shackleton 1999
  7. ↑ Bergreen 2007, tr. 74
  8. ↑ Ludwig W. Adamec. Từ điển địa dư lịch sử và chính trị của Afghanistan Vol 1, tỉnh Badakhshan và đông bắc Afghanistan. Graz: Akad. Druck-und Verl.-Anst., 1972.p. 163.
  9. 1 2 British Museum 1885, tr. 44–45
  10. 1 2 Lovgren 2006
  11. 1 2 Dan 2006
  12. 1 2 3 Magin & Groombridge 1994, tr. 1
  13. ↑ Schaller 1998, tr. 85
  14. 1 2 3 Fedosenko & Blank 2005, tr. 6
  15. 1 2 Huffman 2004
  16. ↑ Fedosenko & Blank 2005, tr. 3
  17. ↑ Ward 1887, tr. 43
  18. ↑ Petocz 1978
  19. ↑ Geist 2009
  20. 1 2 Roberts 1998
  21. ↑ Petocz 1978, tr. 5
  22. ↑ Petocz 1978, tr. 10
  23. ↑ Ostrowski 2007, tr. 36
  24. ↑ Ostrowski 2007, tr. 38
  25. ↑ Wildlife Conservation Society 2006, tr. 11
  26. ↑ Ives 2004, tr. 40
  27. ↑ Wildlife Conservation Society 2006, tr. 14
  28. 1 2 3 4 Shackleton 1997, tr. 259
  29. ↑ Miller 2006, tr. 9
  30. 1 2 Petocz 1978, tr. 27
  31. ↑ Petocz 1978, tr. 28
  32. 1 2 3 4 5 6 7 Fedosenko & Blank 2005, tr. 10
  33. 1 2 3 Shackleton & Shank 1984, tr. 507
  34. ↑ Shackleton & Shank 1984, tr. 505
  35. 1 2 Petocz 1978, tr. 1
  36. 1 2 Long 2008
  37. ↑ Department of State 2009
  38. ↑ Kemf 1993, tr. 141
  39. ↑ Kalland & Bruun 1995, tr. 108
  40. 1 2 Kalland & Bruun 1995, tr. 109
  41. ↑ Kalland & Bruun 1995, tr. 110
  42. ↑ Khan 2008
  43. 1 2 3 Schaller 2007, tr. 1
  44. ↑ Miller 2010
  45. ↑ Wallace 2007
  46. ↑ Childress 2007, tr. 63
  47. ↑ Spillett, Bunch & Foote 1975, tr. 1014
  48. ↑ Hội đồng Nghiên cứu Quốc gia Hoa Kỳ 1983, tr. 100
  49. ↑ Sharma 2002, tr. 253

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