Dyfyniad APA

Simon,Julian L. (1989). The economic consequences of immigration. Basil Blackwell Ltd.

Dyfyniad Arddull Chicago

Simon,Julian L. The Economic Consequences of Immigration. U K: Basil Blackwell Ltd, 1989.

Dyfyniad MLA

Simon,Julian L. The Economic Consequences of Immigration. Basil Blackwell Ltd, 1989.

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