Gaya APA

Khalid, K, M. (2015). Biografi 60 Sahabat Rasulullah S.A.W. (E-Book) . Jakarta: Qisthi Pess.

Gaya MLA

Khalid, Khalid, Muhammad. "Biografi 60 Sahabat Rasulullah S.A.W. (E-Book)". Jakarta: Qisthi Pess, 2015. Text.