Weir, W. (1963). Truth in advertising and other heresies. mc graw hill.
Dyfyniad Arddull ChicagoWeir, Walter. Truth in Advertising and Other Heresies. Newyork: mc graw hill, 1963.
Dyfyniad MLAWeir, Walter. Truth in Advertising and Other Heresies. mc graw hill, 1963.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.