Reed, David, 1957- , author
American Management Association;, 2008
eBooks
Jaffe, Austin J., author
Prentice-Hall, 1982
Buku Teks
Rumsey, Tracy, author
American Management Association, 2008
eBooks
Irwin, Robert
McGraw-Hill , 1981
Buku Teks
Kau, James B., author
McGraw-Hill, 1985
Buku Teks