Barnouw, Victor, author
Learning Syatems Company, 1973
Buku Teks
Jolly, Clifford J., author
McGraw-Hill, 1995
Buku Teks
Stein, Philip L., author
McGraw-Hill, 1982
Buku Teks
Lewis, Barry, author
Wadsworth and Cengage Learning, 2013
Buku Teks
Nelson, Harry, author
West Publishing, 1988
Buku Teks