'Umar, A. b. H. A. (2008). Jalan Lurus Mencapai Keselamatan Dunia Akhirat/ Abdurrahman bin Hammad Ali 'Umar; Penerjemah, Ahmad Abdul Karim. Yogyakarta; Mitra Pustaka.
Chicago Style (17th ed.) Citation'Umar, Abdurrahman bin Hammad Ali. Jalan Lurus Mencapai Keselamatan Dunia Akhirat/ Abdurrahman Bin Hammad Ali 'Umar; Penerjemah, Ahmad Abdul Karim. Yogyakarta; Mitra Pustaka, 2008.
MLA (8th ed.) Citation'Umar, Abdurrahman bin Hammad Ali. Jalan Lurus Mencapai Keselamatan Dunia Akhirat/ Abdurrahman Bin Hammad Ali 'Umar; Penerjemah, Ahmad Abdul Karim. Yogyakarta; Mitra Pustaka, 2008.
Warning: These citations may not always be 100% accurate.