APA引文

(1991). Medical career opportunities: The Pfizer Guide. New York: Published by Merritt Communications, Inc.

Trích dẫn kiểu Chicago

Medical Career Opportunities: The Pfizer Guide. New York: Published by Merritt Communications, Inc, 1991.

MLA引文

Medical Career Opportunities: The Pfizer Guide. New York: Published by Merritt Communications, Inc, 1991.

警告：这些引文格式不一定是100％准确.