(1990). 1991 Guide and directory - food processing. Washington, D.C: Wenger International, Inc.
Trích dẫn kiểu Chicago1991 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.