APA Citation

(2010). Ideas that changed the world. London,New York: DK.

Trích dẫn kiểu Chicago

Ideas That Changed the World. London,New York: DK, 2010.

MLA Citation

Ideas That Changed the World. London,New York: DK, 2010.

Advarsel: Disse citationer er muligvist ikke 100% nøjagtige.