Dyfyniad APA

Kail, R. V. (2007). Human development: A life - span view. Australia: Thomson.

Dyfyniad Arddull Chicago

Kail, Robert V. Human Development: A Life - Span View. Australia: Thomson, 2007.

Dyfyniad MLA

Kail, Robert V. Human Development: A Life - Span View. Australia: Thomson, 2007.

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