Pilditch, J. Silent salesman: How to develop packaging that sells.
Dyfyniad Arddull ChicagoPilditch, James. Silent Salesman: How to Develop Packaging That Sells. :.
Dyfyniad MLAPilditch, James. Silent Salesman: How to Develop Packaging That Sells.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.