Dyfyniad APA

ebrary, Inc. (2007). Design and business. Emerald Group Publishing.

Dyfyniad Arddull Chicago

ebrary, Inc. Design and Business. Bradford, England: Emerald Group Publishing, 2007.

Dyfyniad MLA

ebrary, Inc. Design and Business. Emerald Group Publishing, 2007.

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