Παραπομπή APA

Y.M Saif. (1997). diseases of poultry (12th.). Blackwell Publishing.

Παραπομπή Chicago Style

Y.M Saif. Diseases of Poultry. 12th. Blackwell Publishing, 1997.

Παραπομπή MLA

Y.M Saif. Diseases of Poultry. 12th. Blackwell Publishing, 1997.