APA引文

(2006). Encyclopedia of American holidays and national days. Westport: Greenwood press.

Trích dẫn kiểu Chicago

Encyclopedia of American Holidays and National Days. Westport: Greenwood press, 2006.

MLA引文

Encyclopedia of American Holidays and National Days. Westport: Greenwood press, 2006.

警告：這些引文格式不一定是100％准確.