Tosdal, H. R. (1957). Introduction to sales management/4e (4th ed.). Mcgraw Hill.
Dyfyniad Arddull ChicagoTosdal, Harry R. Introduction to Sales Management/4e. 4th ed. London: Mcgraw Hill, 1957.
Dyfyniad MLATosdal, Harry R. Introduction to Sales Management/4e. 4th ed. Mcgraw Hill, 1957.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.