Karstein, H. (1968). New horizons in marketing. Thacker and Company.
Dyfyniad Arddull ChicagoKarstein, H. New Horizons in Marketing. Bombay: Thacker and Company, 1968.
Dyfyniad MLAKarstein, H. New Horizons in Marketing. Thacker and Company, 1968.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.