APA Style
Nurcholish, A., Tampubolon, F, . (2018).
Djohan Effendi: cerita para sahabat .
Jakarta:
Indonesian Conference on Religion and Peae.
MLA Style
Nurcholish, Ahmad., Tampubolon, Frangky, .
"Djohan Effendi: cerita para sahabat".
Jakarta:
Indonesian Conference on Religion and Peae,
2018.
Buku.