B W Calnak, B W CALNEK, & H John Marnes. (1994). Diseases of poultry (9.). AMES.
Chicago Edition CitationB W Calnak, B W CALNEK, i H John Marnes. Diseases of Poultry. 9. AMES, 1994.
Cita MLAB W Calnak, et al. Diseases of Poultry. 9. AMES, 1994.
Atenció: Aquestes cites poden no estar 100% correctes.