Arthur, Diane, author
American Management Association;, 2001
eBooks
Carrell, Michael R., author
Irwin, 1984
Buku Teks
Werther, William B., author
McGraw-Hill, 1993
Buku Teks
Odiorne, George S., author
Dow Jones-Irwin, 1982
Buku Teks
Graham, H. T
Pitman , 1986
Buku Teks