Hill, Charles W. L., author
Houghton Miffiln, 1998
Buku Teks
edited by Marie Streng Berger
Mosby , 1980
Buku Teks
Boutilier, Robert, 1953-2003, author
Businessexpert Press, 2012
Buku Teks
Hellriegel, Don
Addison-Wesley , 1974
Buku Teks
Meredith, Jack R., author
Wiley, 2015
Buku Teks