APA引文

ebrary, Inc. (2007). Pocket world in figures (2008 ed.). Economist in association with Profile Books.

Chicago Style (17th ed.) Citation

ebrary, Inc. Pocket World in Figures. 2008 ed. London: Economist in association with Profile Books, 2007.

MLA引文

ebrary, Inc. Pocket World in Figures. 2008 ed. Economist in association with Profile Books, 2007.

警告：這些引文格式不一定是100％准確.