Fitzgerald, Suzanne Sparks
McGraw-Hill, 2011
Buku Teks
Mancuso, Joseph C., author
[American Management Association;, ], 1992
eBooks
McLean, Gary N., author
Paradigm Publishing, 1991
Buku Teks
Bailey, Edward P., author
Prentice-Hall, 2002
Buku Teks
Blake, Gary
McGraw-Hill, 1995
Buku Teks