Trích dẫn APA

J W Copland. (1987). New castle disease in poultry: A new food pllet vaccine. Australian centere for international agricultural research.

Trích dẫn kiểu Chicago

J W Copland. New Castle Disease in Poultry: A New Food Pllet Vaccine. Australian centere for international agricultural research, 1987.

Trích dẫn MLA

J W Copland. New Castle Disease in Poultry: A New Food Pllet Vaccine. Australian centere for international agricultural research, 1987.

Cảnh báo: Các trích dẫn này có thể không phải lúc nào cũng chính xác 100%.