Gaya APA

Riordan, Rick. (2013). The Heroes of Olympus : The House of HADES (IV). USA: Disney Hyperion.

Gaya Chicago

Riordan, Rick. The Heroes of Olympus : The House of HADES. IV USA: Disney Hyperion, 2013. .

Gaya MLA

Riordan, Rick. The Heroes of Olympus : The House of HADES. IV USA: Disney Hyperion, 2013. .

Gaya Turabian

Riordan, Rick. The Heroes of Olympus : The House of HADES. IV USA: Disney Hyperion, 2013. .