Gaya APA
Bisri, A, M.
(2008).
Gus Dur Garis Miring PKB
.
Surabaya:
Mata Air Publishing.
Gaya MLA
Bisri, A., Mustofa.
"Gus Dur Garis Miring PKB".
Surabaya:
Mata Air Publishing,
2008.
Textbook.