Jauch, Lawrence R., author
McGraw-Hill, 1988
Buku Teks
Boulton, William R., author
Macmillan, 1984
Buku Teks
Sharplin, Arthur, author
McGraw-Hill, 1985
Buku Teks
Johnston, Robert E., author
American Management Association, 2003
eBooks
Johnston, Robert E., author
American Management Association;, 2013
eBooks