Gaya APA
Barton, G.
(2011).
Biografi Gus Dur : The Authorized Biography Of Abdurrahman Wahid
.
Yogyakarta:
LKIS Group.
Gaya MLA
Barton, Greg.
"Biografi Gus Dur : The Authorized Biography Of Abdurrahman Wahid".
Yogyakarta:
LKIS Group,
2011.
Text.