Dyfyniad APA

Pigues D Keith. (2010). Winning with Customers. John Wiley and Sons.

Dyfyniad Arddull Chicago

Pigues D Keith. Winning with Customers. New Jersey: John Wiley and Sons, 2010.

Dyfyniad MLA

Pigues D Keith. Winning with Customers. John Wiley and Sons, 2010.

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