Não informado. (1950). Iowa State College veterinarian. Iowa State College of Agriculture and Mechanic Arts.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. Iowa State College Veterinarian. Ames, Iowa: Iowa State College of Agriculture and Mechanic Arts, 1950.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. Iowa State College Veterinarian. Iowa State College of Agriculture and Mechanic Arts, 1950.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.