Dyfyniad APA

(1979). American journal of education. University of Chicago Press.

Dyfyniad Arddull Chicago

American Journal of Education. Chicago: University of Chicago Press, 1979.

Dyfyniad MLA

American Journal of Education. University of Chicago Press, 1979.

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