Riordan Rick. (2010). Percy Jackson And The Last Olympian. Puffin Books.
Cita Chicago (17th ed.)Riordan Rick. Percy Jackson And The Last Olympian. UK: Puffin Books, 2010.
Cita MLA (9th ed.)Riordan Rick. Percy Jackson And The Last Olympian. Puffin Books, 2010.
Atenció: Aquestes cites poden no estar 100% correctes.