Johansson, J. K. (1996). Relentless: The Japanese way of marketing. New York: HarperBusiness.
Dyfyniad Arddull ChicagoJohansson, Johny K. Relentless: The Japanese Way of Marketing. New York: HarperBusiness, 1996.
Dyfyniad MLAJohansson, Johny K. Relentless: The Japanese Way of Marketing. New York: HarperBusiness, 1996.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.