Gaya APA

Heo, Soon Bong. (2011). Why? traditional science . Jakarta: Elek Media Komputindo.

Gaya Chicago

Heo, Soon Bong. Why? traditional science. Jakarta: Elek Media Komputindo, 2011. Text.

Gaya MLA

Heo, Soon Bong. Why? traditional science. Jakarta: Elek Media Komputindo, 2011. Text.

Gaya Turabian

Heo, Soon Bong. Why? traditional science. Jakarta: Elek Media Komputindo, 2011. Print.