APA aipamena

Riordan,Rick. (2012). The Son of Neptune Heroes Olympus 2. Puffin.

Chicago Style aipamena

Riordan,Rick. The Son of Neptune Heroes Olympus 2. London: Puffin, 2012.

MLA aipamena

Riordan,Rick. The Son of Neptune Heroes Olympus 2. Puffin, 2012.