Gaya APA

KIYOSAKI, R, T., Yusuf, S. (2017). The Business of the 21st Century (Second Indonesia). Hoboken, NJ: PT Gramedia Pustaka Utama.

Gaya MLA

KIYOSAKI, Robert, T., Yusuf, Sugianto. "The Business of the 21st Century". Second Indonesia Hoboken, NJ: PT Gramedia Pustaka Utama, 2017. Text.