Dyfyniad APA

Beckett, C. Human growth and development. Sage Publications.

Dyfyniad Arddull Chicago

Beckett, Chris. Human Growth and Development. Sage Publications.

Dyfyniad MLA

Beckett, Chris. Human Growth and Development. Sage Publications.

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