Gaya APA

Utama, Y. (2012). Becoming a Genius Speaker (Cet. 1). Jakarta: Penerbit PT Gramedia Pustaka Utama.

Gaya MLA

Utama, Yasier. "Becoming a Genius Speaker". Cet. 1 Jakarta: Penerbit PT Gramedia Pustaka Utama, 2012. Text.