Dyfyniad APA

Lefevre, H. L. (1997). Quality service pays: Six keys to success. Vanity.

Dyfyniad Arddull Chicago

Lefevre, Henry L. Quality Service Pays: Six Keys to Success. New Delhi: Vanity, 1997.

Dyfyniad MLA

Lefevre, Henry L. Quality Service Pays: Six Keys to Success. Vanity, 1997.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.