Gaya APA
Barton, G.
(2017).
Biografi Gus Dur The Authorized Biography of Abdurrahman Wahid
.
Yogyakarta:
Mahabbah.
Gaya MLA
Barton, Greg.
"Biografi Gus Dur The Authorized Biography of Abdurrahman Wahid".
Yogyakarta:
Mahabbah,
2017.
Text.