Dyfyniad APA

John, R. S. (2011). The 8 Traits successful people have in common. Embassy book.

Dyfyniad Arddull Chicago

John, Richard St. The 8 Traits Successful People Have in Common. Mumbai: Embassy book, 2011.

Dyfyniad MLA

John, Richard St. The 8 Traits Successful People Have in Common. Embassy book, 2011.

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