Dyfyniad APA

(1979). Comparative politicis: Exercise. Open University.

Dyfyniad Arddull Chicago

Comparative Politicis: Exercise. Walton Hall: Open University, 1979.

Dyfyniad MLA

Comparative Politicis: Exercise. Open University, 1979.

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