Gaya APA

Cho, Young Seon. (2004). WHY: Chemistry/Kimia . Jakarta: PT. Elex Media Komputindo.

Gaya Chicago

Cho, Young Seon. WHY: Chemistry/Kimia. Jakarta: PT. Elex Media Komputindo, 2004. Text.

Gaya MLA

Cho, Young Seon. WHY: Chemistry/Kimia. Jakarta: PT. Elex Media Komputindo, 2004. Text.

Gaya Turabian

Cho, Young Seon. WHY: Chemistry/Kimia. Jakarta: PT. Elex Media Komputindo, 2004. Print.