Não informado. (1973). Contributions from the School of Veterinary Medicine. Obihiro University of Agriculture and Veterinary Medicine.
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিNão informado. Contributions from the School of Veterinary Medicine. Obihiro, Japão: Obihiro University of Agriculture and Veterinary Medicine, 1973.
M.L.A (8 ম সংস্করণ) উদ্ধৃতিNão informado. Contributions from the School of Veterinary Medicine. Obihiro University of Agriculture and Veterinary Medicine, 1973.
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