Katz, William A., 1924-
McGraw-Hill, 2002
Buku Teks
Katz, William A., 1924-
McGraw-Hill, 1987
Buku Teks
Katz, William A., 1924-
McGraww-Hill, 1992
Buku Teks
Martin, Ruben
Learning Matters, 2010
Buku Teks
Puccio, Joseph A.
Libraries Unlimited, 1989
Buku Referensi