Gaya APA

Heo, S, B., Seok, S, H. (2009). Why? The Human Body = Tubuh Kita . Jakarta: PT. Elex Media Komputindo.

Gaya MLA

Heo, Soon, Bong., Seok, Song, Heo. "Why? The Human Body = Tubuh Kita". Jakarta: PT. Elex Media Komputindo, 2009. Text.