Gaya APA

HOJANTO, O. et al (2012). PUBLIC SPEAKING MASTERY ONGKY HOJANTO . JAKARTA: PT GRAMEDIA PUSTAKA UTAMA.

Gaya MLA

HOJANTO, ONGKY. et al. "PUBLIC SPEAKING MASTERY ONGKY HOJANTO". JAKARTA: PT GRAMEDIA PUSTAKA UTAMA, 2012. Text.