Dyfyniad APA

(2015). Economist pocket world in figures (2015 ed.). Profile Books Ltd.

Dyfyniad Arddull Chicago

Economist Pocket World in Figures. 2015 ed. London: Profile Books Ltd, 2015.

Dyfyniad MLA

Economist Pocket World in Figures. 2015 ed. Profile Books Ltd, 2015.

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