Gaya APA

Birdy, D., Mahmudah, D. (2019). Anger management:the life skill (Cet.3). Bogor: Zenawa Media Giditama.

Gaya MLA

Birdy, Dandy., Mahmudah, Diah. "Anger management:the life skill". Cet.3 Bogor: Zenawa Media Giditama, 2019. Text.