DARLING, P. (1993). Training For Profit. McGraw-Hill.
Dyfyniad Arddull ChicagoDARLING, Philip. Training For Profit. McGraw-Hill, 1993.
Dyfyniad MLADARLING, Philip. Training For Profit. McGraw-Hill, 1993.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.