Gaya APA

-bong, H, S., nugroho, S, A. (2009). why? the human body tubuh kita . jakarta: elex media komputindo.

Gaya MLA

-bong, Heo, Soon., nugroho, Suray, Agung. "why? the human body tubuh kita". jakarta: elex media komputindo, 2009. Text.