Gaya APA

Prabowo, E. (2015). On inspiring people : Old friends are gold new friends are diamond if you've got diamond, don't forget gold (Cet.1). Jakarta: Elex Media Komputindo.

Gaya MLA

Prabowo, Eri. "On inspiring people : Old friends are gold new friends are diamond if you've got diamond, don't forget gold". Cet.1 Jakarta: Elex Media Komputindo, 2015. Text.