Gaya APA

BYRNE, J, A. (2013). WORLD CHANGERS (25 ENTREPRENEUR PENGUBAH BISNIS) . : PT ELEX MEDIA KOMPUTINDO.

Gaya MLA

BYRNE, JOHN, A.. "WORLD CHANGERS (25 ENTREPRENEUR PENGUBAH BISNIS)". : PT ELEX MEDIA KOMPUTINDO, 2013. Text.