Khan, Wahiduddin, author
Media Da'wah, 1985
Buku Teks
Ward, Russel, author
Heinemann educational Australia, 1977
Buku Teks
Jackson, J. Hampden
Hougton Mifflin Company, 1956
Buku Teks
Keylor, William R., 1944-
Oxford University Press, 1996
Buku Teks
Wiskemann, Elizabeth, author
Harper Taschbooks, 1966
Buku Teks