Dyfyniad APA

Armstrong,Harvey, & Taylor,Jim. (1985). Regional economics and policy. Blackwell Publishers Ltd.

Dyfyniad Arddull Chicago

Armstrong,Harvey, and Taylor,Jim. Regional Economics and Policy. Oxford: Blackwell Publishers Ltd, 1985.

Dyfyniad MLA

Armstrong,Harvey, and Taylor,Jim. Regional Economics and Policy. Blackwell Publishers Ltd, 1985.

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