Clements, Alan, author
McGraw-Hill, 1991
Buku Referensi
Lewart, Cass R., author
Prentice-Hall, 1982
Buku Teks
edited by Sandy Dolnick
American Library Association , 1990
Buku Teks
edited by James G. Snider and Charles E. Osgood
Aldine Publishing, 1977
Buku Teks
edited by Derek Partridge; Yorick Wilks
Cambridge Univ. Press, 1989
Buku Teks