Dyfyniad APA

Mcguire, G. (2009). Secreats of successful people.

Dyfyniad Arddull Chicago

Mcguire, Gary. Secreats of Successful People. Epitome Books, 2009.

Dyfyniad MLA

Mcguire, Gary. Secreats of Successful People. 2009.

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