Brelsford, H. e. (2003). Connecting to customers.
Dyfyniad Arddull ChicagoBrelsford, Harry; et.al. Connecting to Customers. Prentice-Hall of India Pvt. Ltd., New Delhi, 2003.
Dyfyniad MLABrelsford, Harry; et.al. Connecting to Customers. 2003.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.