APA aipamena

Riordan,Rick. (2010). Percy Jackson And the lightning Thief. Puffin Books.

Chicago Style aipamena

Riordan,Rick. Percy Jackson And the Lightning Thief. UK: Puffin Books, 2010.

MLA aipamena

Riordan,Rick. Percy Jackson And the Lightning Thief. Puffin Books, 2010.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.