Dyfyniad APA

Psychological Research Academy. Psychological research journal. Psychological Research Academy].

Dyfyniad Arddull Chicago

Psychological Research Academy. Psychological Research Journal. [Calcutta: Psychological Research Academy].

Dyfyniad MLA

Psychological Research Academy. Psychological Research Journal. Psychological Research Academy].

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