Não informado. (1950). Iowa State College veterinarian. Iowa State College of Agriculture and Mechanic Arts.
Παραπομπή σε μορφή Chicago (17η εκδ.)Não informado. Iowa State College Veterinarian. Ames, Iowa: Iowa State College of Agriculture and Mechanic Arts, 1950.
Παραπομπή σε μορφή MLA (8th εκδ.)Não informado. Iowa State College Veterinarian. Iowa State College of Agriculture and Mechanic Arts, 1950.
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