عبد القادر الجيلاني & Muhammad Qadirun Nur. (1996). Hakikat pengabdian. Thinker's Library.
Chicago Style (17th ed.) Citationعبد القادر الجيلاني and Muhammad Qadirun Nur. Hakikat Pengabdian. Batu Caves, Selangor: Thinker's Library, 1996.
MLA (9th ed.) Citationعبد القادر الجيلاني and Muhammad Qadirun Nur. Hakikat Pengabdian. Thinker's Library, 1996.
Warning: These citations may not always be 100% accurate.