Flynn, Nancy, author
American Management Association, 2006
eBooks
Gilmore, Glen, author
McGraw-Hill , 2015
Buku Teks
Flynn, Nancy, author
[American Management Association;, ], 2004
eBooks
Jasion, Jan T., author
Ashgate Publishing Limited, 1991
Buku Referensi
Carvan, J.C.
LBC Information Service, 1997
Buku Teks