Gaya APA

Amin, A, R. (2006). The Celestial Management : Zikr, Pikir, Mikir . Jakarta Selatan: Senayan Abadi Publishing.

Gaya MLA

Amin, A., Riawan. "The Celestial Management : Zikr, Pikir, Mikir". Jakarta Selatan: Senayan Abadi Publishing, 2006. Text.