Dyfyniad APA

Thirlwall, A. P. (1972). Growth and development. Cambridge: Schenkman Publishing Company.

Dyfyniad Arddull Chicago

Thirlwall, A. P. Growth and Development. Cambridge: Schenkman Publishing Company, 1972.

Dyfyniad MLA

Thirlwall, A. P. Growth and Development. Cambridge: Schenkman Publishing Company, 1972.

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