Gaya APA

Lim, J. (2008). Business Doctor: step-by-step proven techniques to double your profit in 90 days . Jakarta, Indonesia: PT Gramedia Pustaka Utama.

Gaya MLA

Lim, Johanes. "Business Doctor: step-by-step proven techniques to double your profit in 90 days". Jakarta, Indonesia: PT Gramedia Pustaka Utama, 2008. Text.