Wilkins, R. H. (1994). The quality-empowered business. Prentice Hall.
Dyfyniad Arddull ChicagoWilkins, Robert H. The Quality-empowered Business. Englewood Cliffs, N.J: Prentice Hall, 1994.
Dyfyniad MLAWilkins, Robert H. The Quality-empowered Business. Prentice Hall, 1994.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.