Dyfyniad APA

Thomas, R. M. (1990). Encyclopedia of Human Development and Education: Theory Research and Studies. Pergamon Press.

Dyfyniad Arddull Chicago

Thomas, R Murray. Encyclopedia of Human Development and Education: Theory Research and Studies. Oxford: Pergamon Press, 1990.

Dyfyniad MLA

Thomas, R Murray. Encyclopedia of Human Development and Education: Theory Research and Studies. Pergamon Press, 1990.

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