Garrison, Sharon Hatten
Quorum Books, 1988
Buku Teks
Henn, Stephen K., author
Wiley, 2009
Buku Teks
Harvard Business School Press, 2003
Buku Teks
Velasquez, Manuel G., author
Pearson , 1998
Buku Teks
Ballou, Ronald H.
Englewood Cliffs, Prentice-Hall
Buku Teks