Παραπομπή APA

Ian R Tizard. (2000). Veterinary immunology: An introduction (6.). Philadelphia.

Παραπομπή Chicago Style

Ian R Tizard. Veterinary Immunology: An Introduction. 6. Philadelphia, 2000.

Παραπομπή MLA

Ian R Tizard. Veterinary Immunology: An Introduction. 6. Philadelphia, 2000.