Penggayaan APA

HOJANTO, Ongky. (2013). Public speaking mastery . Jakarta: Gramedia Pustaka Utama.

Chicago Style

HOJANTO, Ongky. Public speaking mastery. Jakarta: Gramedia Pustaka Utama, 2013. Text.

MLA Style

HOJANTO, Ongky. Public speaking mastery. Jakarta: Gramedia Pustaka Utama, 2013. Text.

Turabian Style

HOJANTO, Ongky. Public speaking mastery. Jakarta: Gramedia Pustaka Utama, 2013. Print.