APA citiranje

Riordan, R. (2012). The Heroes of Olympus The Mark of Athena. Penguin Books Ltd.

Chicago Style (17th ed.) Citation

Riordan, Rick. The Heroes of Olympus The Mark of Athena. Penguin Books Ltd, 2012.

MLA citiranje

Riordan, Rick. The Heroes of Olympus The Mark of Athena. Penguin Books Ltd, 2012.

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