APA استشهاد

Smithcors J F. (1968). Progress in veterinary practices (1.). american veterinary practices.

استشهاد بنمط شيكاغو

Smithcors J F. Progress in Veterinary Practices. 1. llinois: american veterinary practices, 1968.

MLA استشهاد

Smithcors J F. Progress in Veterinary Practices. 1. american veterinary practices, 1968.