Gaya APA

Aksara, B., Mahardika, A. (2017). Warren Buffett Sang Investor dan Inspirator Dunia (cet. 2). Yogyakarta: Genesis Learning.

Gaya MLA

Aksara, Brayan., Mahardika, Arvin. "Warren Buffett Sang Investor dan Inspirator Dunia". cet. 2 Yogyakarta: Genesis Learning, 2017. Text.