Riordan, R. (2015). Heroes of Olympus: The son of neptune. Puffin Books.
Chicagoスタイル(17版)引用形式Riordan, Rick. Heroes of Olympus: The Son of Neptune. UK: Puffin Books, 2015.
MLA(9版)引用形式Riordan, Rick. Heroes of Olympus: The Son of Neptune. Puffin Books, 2015.
警告: この引用は必ずしも正確ではありません.