Husein, Umme Salma Mujtaba, author
Business Expert Press, 2014
Buku Teks
Visser, Hans G., author
Edward Elgar, 2009
Buku Teks
Mawdudi, Sayyid Abul A`la, author
Islamic Foundation, 2013
Buku Teks
Hoag, John D., author
Faber, 1987
Buku Teks
edited by George Michell
Thames and Hudson, 1995
Buku Referensi