APA引文

(1990). 1990 Guide and directory - Food processing. Washington, D.C: A Putman.

Trích dẫn kiểu Chicago

1990 Guide and Directory - Food Processing. Washington, D.C: A Putman, 1990.

MLA引文

1990 Guide and Directory - Food Processing. Washington, D.C: A Putman, 1990.

警告：這些引文格式不一定是100％准確.