Dyfyniad APA

 Vitale, J. (2005).  The e-code: 33 internet superstars reveal 43 ways to make money online almost instantly--using only e-mail!  J. Wiley.

Dyfyniad Arddull Chicago

 Vitale, Joe.  The E-code: 33 Internet Superstars Reveal 43 Ways to Make Money Online Almost Instantly--using Only E-mail!  J. Wiley, 2005.

Dyfyniad MLA

 Vitale, Joe.  The E-code: 33 Internet Superstars Reveal 43 Ways to Make Money Online Almost Instantly--using Only E-mail!  J. Wiley, 2005.

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