Gaya APA
Barton, G. (2020).
Buku Biografi Gus Dur; The Authorized Biography of KH. Abdurrahman Wahid .
Yogyakarta:
IRCSoD.
Gaya MLA
Barton, Greg.
"Buku Biografi Gus Dur; The Authorized Biography of KH. Abdurrahman Wahid".
Yogyakarta:
IRCSoD,
2020.
Buku.