Iljas Ismail, author
Islamic Da'wah Council of The Philippines, 1985
Buku Teks
Hoffman, W. Michael, author
McGraw-Hill, 1995
Buku Teks
Hoffman, W. Michael, author
New York, N.Y. , McGraw-Hill
Buku Teks
Naqvi, Syed Nawab Haider, author
Islamic Foundation, 2003
Buku Teks
edited by Francesco Chiabotti, Eve Feuillebois-Pierunek, Catherine Mayeur-Jaouen, Luca Patrizi
Brill, 2017
eBooks