APA引文

(1974). world factbook 1974: A handbook of economics, political and geographic intelligence. Massachusetts Publishing Science Group, Inc.

Chicago Edition Citation

World Factbook 1974: A Handbook of Economics, Political and Geographic Intelligence. Acton: Massachusetts Publishing Science Group, Inc, 1974.

MLA引文

World Factbook 1974: A Handbook of Economics, Political and Geographic Intelligence. Massachusetts Publishing Science Group, Inc, 1974.

警告：這些引文格式不一定是100％准確.