Reza J.J.
ANDI, 2010
Buku Teks
Antoni Ludfi Arifin
Gramedia Pustaka Utama, 2012
Buku Teks
Greene, Gardiner G.
McGraw-Hill, 1975
Buku Teks
Tator, Rosemary
[American Management Association, ], 2011
eBooks
Clemens, John
American Management Association, 2005
eBooks