Gaya APA

Barton, G. (2008). Biografi Gus Dur : the authorized bioghraphy of Abdurrahman Wahid (Cet.4). : PT. LKiS Pelangi Aksara Yogyakarta.

Gaya MLA

Barton, Greg. "Biografi Gus Dur : the authorized bioghraphy of Abdurrahman Wahid". Cet.4 : PT. LKiS Pelangi Aksara Yogyakarta, 2008. Text.