Gaya APA

Thurman, H, V., Zelfi, F. (2016). The secret of public speaking : panduan pintar berpidato, presenterdanmoderator . Yogyakarta: Speak Up.

Gaya MLA

Thurman, Harold, V.., Zelfi, Fitria. "The secret of public speaking : panduan pintar berpidato, presenterdanmoderator". Yogyakarta: Speak Up, 2016. Text.