J W Copland. (1987). New castle disease in poultry: A new food pllet vaccine. Australian centere for international agricultural research.
استشهاد بنمط شيكاغوJ W Copland. New Castle Disease in Poultry: A New Food Pllet Vaccine. Australian centere for international agricultural research, 1987.
MLA استشهادJ W Copland. New Castle Disease in Poultry: A New Food Pllet Vaccine. Australian centere for international agricultural research, 1987.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.