Gaya APA

Utami, H, I., Aksara, B. (2017). Warren Buffett: Sang Investor Dan Inspirator Dunia (-). Yogyakarta: Genesis Learning.

Gaya MLA

Utami, Herdina, Indah., Aksara, Brayan. "Warren Buffett: Sang Investor Dan Inspirator Dunia". - Yogyakarta: Genesis Learning, 2017. Text.