Bierman, Harold, author
The Free Press, 1980
Buku Teks
Chevalier, Roger, author
American Management Association, 2007
eBooks
Liff, Stewart, author
[American Management Association;, ], 2011
eBooks
McGraw-Hill, 1970
Buku Teks
Gross, Malvern J., author
Ronald Press, 1972
Buku Teks