Artikel Jurnal
Beck, Herman Leonard, author
INIS, 1993
Buku Teks
Nakosteen, Mehdi
Risalah Gusti, 1995
Buku Teks
Baz, Syeikh Abdul Aziz Bin Abdullah Bin
IAIN Sumatera Utara, [date of publication not identified]
Buku Teks
Osman Raliby, author
Fajar Shadiq, [date of publication not identified]
Buku Teks