Telford, Charles Witt, author
Prentice-Hall, 1981
Buku Teks
Meyen, Edward L., author
Love Publishing, 1979
Buku Teks
Davis, Gary A., author
Pearson, 2014
Buku Teks
Hallahan, Daniel P., author
Prentice-Hall, 1988
Buku Teks
Hallahan, Daniel P., author
Allyn and Bacon, 1994
Buku Teks