APA (7th ed.) Citation

Utama, Y. (2012). Becoming A Genius Speaker. Gramedia.

Chicago Style (17th ed.) Citation

Utama, Yasier. Becoming A Genius Speaker. Gramedia, 2012.

MLA (8th ed.) Citation

Utama, Yasier. Becoming A Genius Speaker. Gramedia, 2012.

Warning: These citations may not always be 100% accurate.