Schewe, C. D. (1980). Marketing Concepts and Applications/Charles D. Schewe & Ruben M. Smith. McGraw-Hill.
Dyfyniad Arddull ChicagoSchewe, Charles D. Marketing Concepts and Applications/Charles D. Schewe & Ruben M. Smith. McGraw-Hill, 1980.
Dyfyniad MLASchewe, Charles D. Marketing Concepts and Applications/Charles D. Schewe & Ruben M. Smith. McGraw-Hill, 1980.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.