Gaya APA

Maxwell, J, C. (2014). The 21 Indispensable Qualities Of A Leader (Cet. 5). Jakarta: PT Menuju Insan Cemerlang.

Gaya MLA

Maxwell, John, C. "The 21 Indispensable Qualities Of A Leader". Cet. 5 Jakarta: PT Menuju Insan Cemerlang, 2014. Text.