al-Muthlaq, I. b. A. Seni Berdakwah. Pustaka Insan Madani.
Chicago Style (17th ed.) Citational-Muthlaq, Ibrahim bin Abdullah. Seni Berdakwah. Pustaka Insan Madani.
MLA (8th ed.) Citational-Muthlaq, Ibrahim bin Abdullah. Seni Berdakwah. Pustaka Insan Madani.
Warning: These citations may not always be 100% accurate.