Gaya APA

GHANI, M, A. (2005). the spirituality in business = Pencerahan hati bagi pelaku usaha / Muhammad Abdul Ghani . Jakarta: Pena Pundi Aksara.

Gaya MLA

GHANI, Muhammad, Abdul. "the spirituality in business = Pencerahan hati bagi pelaku usaha / Muhammad Abdul Ghani". Jakarta: Pena Pundi Aksara, 2005. Text.