Dyfyniad APA

KRANZ GARRY. (2007). BEST PRACTICES: COMMUNICATING EFFECTIVELY. HARPER COLLINS PUBLISHERS.

Dyfyniad Arddull Chicago

KRANZ GARRY. BEST PRACTICES: COMMUNICATING EFFECTIVELY. NEW YORK: HARPER COLLINS PUBLISHERS, 2007.

Dyfyniad MLA

KRANZ GARRY. BEST PRACTICES: COMMUNICATING EFFECTIVELY. HARPER COLLINS PUBLISHERS, 2007.

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