Dyfyniad APA

RIES AL. 22 IMMUTABLE LAWS OF BRANDING. HARPER COLLINS PUBLISHERS.

Dyfyniad Arddull Chicago

RIES AL. 22 IMMUTABLE LAWS OF BRANDING. USA: HARPER COLLINS PUBLISHERS.

Dyfyniad MLA

RIES AL. 22 IMMUTABLE LAWS OF BRANDING. HARPER COLLINS PUBLISHERS.

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