Plunkett, W. R., & Attner, R. F. (1997). Management: Meeting and exceeding customer expectations (6th ed.). South-Western College Pub..
Dyfyniad Arddull ChicagoPlunkett, W. Richard, and Raymond F. Attner. Management: Meeting and Exceeding Customer Expectations. 6th ed. Cincinnati: South-Western College Pub., 1997.
Dyfyniad MLAPlunkett, W. Richard, and Raymond F. Attner. Management: Meeting and Exceeding Customer Expectations. 6th ed. South-Western College Pub., 1997.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.