Gaya APA

Heo, S., Hoe-Seok, S. (2009). Why? Traditional Science: Sains Tradisional . Jakarta: Elex Media Komputindo.

Gaya MLA

Heo, Soon-Bong., Hoe-Seok, Song. "Why? Traditional Science: Sains Tradisional". Jakarta: Elex Media Komputindo, 2009. Text.