Gaya APA

Siera Hwaiting. (2012). : Apress.

Gaya Chicago

Siera Hwaiting. . : Apress, 2012. Text.

Gaya MLA

Siera Hwaiting. . : Apress, 2012. Text.

Gaya Turabian

Siera Hwaiting. : Apress, 2012. Print.