Temperley, Alison, author
Emerald, 2017
eBooks
Toister, Jeff, author
[American Management Association;;;, ], 2013
eBooks
Swamy, Narayan, author
Vijitha Yapa Publications, 2006
Buku Teks
David McKay Company, Inc., 1960
Buku Teks
Fenvessy, Stanley J.
Dowjones-Irwin, 1976
Buku Teks