Dyfyniad APA

Ries, A. (2003). The 22 immutable laws of marketing in Asia. John Wiley.

Dyfyniad Arddull Chicago

Ries, Al. The 22 Immutable Laws of Marketing in Asia. Singapore: John Wiley, 2003.

Dyfyniad MLA

Ries, Al. The 22 Immutable Laws of Marketing in Asia. John Wiley, 2003.

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