APA引文

Ellicott, K. (2008). Countries of the world and their leaders yearbook 2009. Detroit, Mich: Gale/Cengage Learning.

Chicago Style Citation

Ellicott, Karen. Countries of the World and Their Leaders Yearbook 2009. Detroit, Mich: Gale/Cengage Learning, 2008.

MLA引文

Ellicott, Karen. Countries of the World and Their Leaders Yearbook 2009. Detroit, Mich: Gale/Cengage Learning, 2008.

警告:这些引文格式不一定是100%准确.