Quintessence Publishing Co, Inc, 2015
Buku Teks
Kern, M. Kathleen, author
[American Management Association, ], 2009
eBooks
Lewis, Richard J., author
Wiley-Interscience, 2002
Buku Referensi
editors, Gerald P. Koocher, John C. Norcross, Sam S. Hill, III
Oxford University Press, 2005
Buku Teks
editor, Gerald P. Koocher, John C. Norcross, Sam S. Hill
Oxford University Press, 2005
Buku Referensi