Gaya APA

Maxwell, J, C. (2001). The 21 Indispensible Qualities of A Leadership (21 Kualitas Kepemimpinan Sejati) (Cet.1). Batam: Interaksara.

Gaya MLA

Maxwell, John, C. "The 21 Indispensible Qualities of A Leadership (21 Kualitas Kepemimpinan Sejati)". Cet.1 Batam: Interaksara, 2001. Text.