Gaya APA

Hill, Napoleon. (2009). Secrets of Napoleon Hill's mind . Jakarta: Indeks.

Gaya Chicago

Hill, Napoleon. Secrets of Napoleon Hill's mind. Jakarta: Indeks, 2009. Text.

Gaya MLA

Hill, Napoleon. Secrets of Napoleon Hill's mind. Jakarta: Indeks, 2009. Text.

Gaya Turabian

Hill, Napoleon. Secrets of Napoleon Hill's mind. Jakarta: Indeks, 2009. Print.