Gaya APA
Barton, G.
(2002).
Biografi Gus Dur : The authorized biography of Abdurrahman Wahid
.
Yogyakarta:
LKIS.
Gaya MLA
Barton, Greg.
"Biografi Gus Dur : The authorized biography of Abdurrahman Wahid".
Yogyakarta:
LKIS,
2002.
Buku.