Feldman, Daniel C.
McGraw-Hill, 1983
Buku Teks
Tucker, Mary, author
Prentice-Hall, 2002
Buku Teks
Albanese, Robert
Dryden Press, 1983
Buku Teks
Schermerhorn, John R., author
John Wiley & Sons, 1991
Buku Teks
Moorhead, Gregory, author
South-Western Cengage Learning, 2012
Buku Teks