Morris, M. R. (1992). Industrial and organizational marketing (2nd ed.). Mac millan publishing company.
Dyfyniad Arddull ChicagoMorris, Michael R. Industrial and Organizational Marketing. 2nd ed. New York: Mac millan publishing company, 1992.
Dyfyniad MLAMorris, Michael R. Industrial and Organizational Marketing. 2nd ed. Mac millan publishing company, 1992.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.