Hosmer, La Rue
McGraw-Hill , 1985
Buku Teks
Weinberg, Mike, author
[American Management Association;, ], 2013
eBooks
Jauch, Lawrence R., author
McGraw-Hill, 1988
Buku Teks
Boulton, William R., author
Macmillan, 1984
Buku Teks
Johnston, Robert E., author
American Management Association, 2003
eBooks