Gaya APA

Purnama, H. et al (2009). Leadership Revolution (Ed. 1, Cet. 0). Yogyakarta: Andi Yogyakarta.

Gaya MLA

Purnama, Harry. et al. "Leadership Revolution". Ed. 1, Cet. 0 Yogyakarta: Andi Yogyakarta, 2009. Text.