Dyfyniad APA

Eccles, J. S. (2005). Research in human development. London: Lawrence Erlbaum Associates, Inc.

Dyfyniad Arddull Chicago

Eccles, Jacquelynne S. Research in Human Development. London: Lawrence Erlbaum Associates, Inc, 2005.

Dyfyniad MLA

Eccles, Jacquelynne S. Research in Human Development. London: Lawrence Erlbaum Associates, Inc, 2005.

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