APA引文

JohnD Summers & steven leeson. (1993). Commercial poultry nutrition. International Book Distributing.

Chicago Edition Citation

JohnD Summers and steven leeson. Commercial Poultry Nutrition. International Book Distributing, 1993.

MLA引文

JohnD Summers and steven leeson. Commercial Poultry Nutrition. International Book Distributing, 1993.

警告：這些引文格式不一定是100％准確.