Whitelaw, R. (1969). Marketing and economics: An introduction to the use of economic indieators. Pergamon Press.
Dyfyniad Arddull ChicagoWhitelaw, R.R.P. Marketing and Economics: An Introduction to the Use of Economic Indieators. Paris: Pergamon Press, 1969.
Dyfyniad MLAWhitelaw, R.R.P. Marketing and Economics: An Introduction to the Use of Economic Indieators. Pergamon Press, 1969.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.