Gaya APA
Barton, G. et al (2019).
Biografi Gus Dur : the authorized biography of Abdurrahman Wahid (Cet. 1).
Yogyakarta:
Noktah.
Gaya MLA
Barton, Greg. et al.
"Biografi Gus Dur : the authorized biography of Abdurrahman Wahid".
Cet. 1
Yogyakarta:
Noktah,
2019.
Text.