Gaya APA

Cho, Young-seon, Lee, Young-ho. (2011). Why? : light and sound=cahaya dan suara . Jakarta: PT. Elex Media Komputindo.

Gaya Chicago

Cho, Young-seon, Lee, Young-ho. Why? : light and sound=cahaya dan suara. Jakarta: PT. Elex Media Komputindo, 2011. print.

Gaya MLA

Cho, Young-seon, Lee, Young-ho. Why? : light and sound=cahaya dan suara. Jakarta: PT. Elex Media Komputindo, 2011. print.

Gaya Turabian

Cho, Young-seon, Lee, Young-ho. Why? : light and sound=cahaya dan suara. Jakarta: PT. Elex Media Komputindo, 2011. print.