Alasyqar, U. S. Pilar-Pilar Kepribadian Islam. Pustaka Nabawi.
Chicago Style (17th ed.) CitationAlasyqar, Umar Sulaiman. Pilar-Pilar Kepribadian Islam. Pustaka Nabawi.
MLA (8th ed.) CitationAlasyqar, Umar Sulaiman. Pilar-Pilar Kepribadian Islam. Pustaka Nabawi.
Warning: These citations may not always be 100% accurate.