Branham, Leigh, author
[American Management Association, ], 2001
eBooks
Axelrod, Wendy, author
Berrett Koehler, 2011
Buku Teks
Moore, Thomas C., author
Springer-Verlag, 1989
Buku Teks
David O. Norris, Kristin H. Lopez, editor
Elsevier, 2011
Buku Teks
Jacobs, William P., author
Cambridge University Press , 1979
Buku Teks