Não informado. (2007). Annual report of the Director of the Board of Trustees. Field Museum of Natural History.
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিNão informado. Annual Report of the Director of the Board of Trustees. Chicago, Ill: Field Museum of Natural History, 2007.
M.L.A (8 ম সংস্করণ) উদ্ধৃতিNão informado. Annual Report of the Director of the Board of Trustees. Field Museum of Natural History, 2007.
সতর্কবাণী: সাইটেশন সবসময় 100% নির্ভুল হতে পারে না.