Prosiding konvensyen ilmuwan Malaysia : rukun Islam asas perpaduan ummah - Fadlan Mohd. Othman; Ahmad Fazrin Yahaya; Mohd Riduan Khairi; Mohd Radzi Othman; Ahmad Sabri Jinlapudin; Ahmad Safuan Nizam Mohd; Hidayat Shafie; Mohd Isham Ismail (Rawang, Selangor : Pustaka Ilmu Salaf Resources, 2014)
Rujukan : mukasurat 68-69.
Koleksi perpaduan (kolper).
Keywords: Pillars of Islam