APA引文

(1990). 1991 Guide and directory - food processing. Washington, D.C: Wenger International, Inc.

Trích dẫn kiểu Chicago

1991 Guide and Directory - Food Processing. Washington, D.C: Wenger International, Inc, 1990.

MLA引文

1991 Guide and Directory - Food Processing. Washington, D.C: Wenger International, Inc, 1990.

警告：这些引文格式不一定是100％准确.