Gaya APA
Barton, G. (2020).
Buku Biografi Gus Dur : the authorized biography of KH. Abdurrahman Wahid .
Yogyakarta:
LKIS.
Gaya MLA
Barton, Greg.
"Buku Biografi Gus Dur : the authorized biography of KH. Abdurrahman Wahid".
Yogyakarta:
LKIS,
2020.
BUKU.