Marshall, Leon Carroll
Chicago, Ill, The University of Chicago Press
Buku Teks
Kindall, Alva F
Irwin 1964, 1964
Buku Teks
Sikula, Andrew F.
Cal Wiley, 1976
Buku Teks
Dickmann, Robert A., author
Wiley-Interscience, 1971
Buku Teks
Harvard Business School Press, 1998
Buku Teks