McGuire, Joseph W., author
Prentice-Hall, 1964
Buku Teks
Summer, Charles E., author
Little, Brown, 1980
Buku Teks
Dessler, Gary, 1942-, author
Prentice-Hall, 1980
Buku Teks
Vecchio, Robert P., author
The Dryden, 1995
Buku Teks
Griffin, Ricky W., author
Cengage Learning, 2014
Buku Teks