Dyfyniad APA

BARWISE PATRICK. (2004). SIMPLY BETTER: WINNING AND KEEPING CUSTOMERS ? MATTERS MOST. HARPER COLLINS PUBLISHERS.

Dyfyniad Arddull Chicago

BARWISE PATRICK. SIMPLY BETTER: WINNING AND KEEPING CUSTOMERS ? MATTERS MOST. BOSTON: HARPER COLLINS PUBLISHERS, 2004.

Dyfyniad MLA

BARWISE PATRICK. SIMPLY BETTER: WINNING AND KEEPING CUSTOMERS ? MATTERS MOST. HARPER COLLINS PUBLISHERS, 2004.

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