Gaya APA
Barton, G., Hua, L. (2006).
Biografi Gus Dur : the authorized biographt of abdurrahman wahid .
Yogjakarta:
LKis Yogyakarta.
Gaya MLA
Barton, Greg., Hua, LIa.
"Biografi Gus Dur : the authorized biographt of abdurrahman wahid".
Yogjakarta:
LKis Yogyakarta,
2006.
Text.