APA (7th ed.) Zitazioa
Riordan, R. (2018). Percy Jackson and the Lightning Thief. Puffin Books.
Chicago Style (17th ed.) Zitazioa
Riordan, Rick. Percy Jackson and the Lightning Thief. Nueva York, EUA: Puffin Books, 2018.
MLA (9th ed.) Zitazioa
Riordan, Rick. Percy Jackson and the Lightning Thief. Puffin Books, 2018.
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