Levitt, T. (1969). The marketing mode: Pathways to corporate growth. New York: McGraw-Hill Book Company.
Dyfyniad Arddull ChicagoLevitt, Theodore. The Marketing Mode: Pathways to Corporate Growth. New York: McGraw-Hill Book Company, 1969.
Dyfyniad MLALevitt, Theodore. The Marketing Mode: Pathways to Corporate Growth. New York: McGraw-Hill Book Company, 1969.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.