Gaya APA

Greg, B. et al (2008). Biografi Gus Dur: The Autthorized Biography of Abdurahman wahid . New York: LKiS Yogyakarta.

Gaya MLA

Greg, Barton. et al. "Biografi Gus Dur: The Autthorized Biography of Abdurahman wahid". New York: LKiS Yogyakarta, 2008. Text.