Gaya APA
Barton, G. (2008).
Biografi Gus Dur : the authorized biography of Abdurrahman Wahid .
Yogyakarta:
LKiS Yogyakarta.
Gaya MLA
Barton, Greg.
"Biografi Gus Dur : the authorized biography of Abdurrahman Wahid".
Yogyakarta:
LKiS Yogyakarta,
2008.
Electronic Resource.