'Ulawan. (1998). Iman: Senjata menghadapi cabaran zaman. Pustaka Ilmi.
Chicago Style (17th ed.) Citation'Ulawan. Iman: Senjata Menghadapi Cabaran Zaman. Batu Caves: Pustaka Ilmi, 1998.
MLA (8th ed.) Citation'Ulawan. Iman: Senjata Menghadapi Cabaran Zaman. Pustaka Ilmi, 1998.
Warning: These citations may not always be 100% accurate.