Dyfyniad APA

Griffiths, D. . .., & Griffiths, A. M. . .. (1962). Understanding and enjoyment. Oxford University Press.

Dyfyniad Arddull Chicago

Griffiths, D ., and A M. Griffiths. Understanding and Enjoyment. London: Oxford University Press, 1962.

Dyfyniad MLA

Griffiths, D ., and A M. Griffiths. Understanding and Enjoyment. Oxford University Press, 1962.

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