APA (7th ed.) Citation

Bisri, M. (2008). Membuka Pintu Langit. Cempaka.

Chicago Style (17th ed.) Citation

Bisri, Mustofa. Membuka Pintu Langit. Cempaka, 2008.

MLA (8th ed.) Citation

Bisri, Mustofa. Membuka Pintu Langit. Cempaka, 2008.

Warning: These citations may not always be 100% accurate.