Dyfyniad APA

Hill, W. F. (1977). Learning: A survey of psychological interpretations. Prentice Hall.

Dyfyniad Arddull Chicago

Hill, Winfred F. Learning: A Survey of Psychological Interpretations. New Jersy: Prentice Hall, 1977.

Dyfyniad MLA

Hill, Winfred F. Learning: A Survey of Psychological Interpretations. Prentice Hall, 1977.

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