Dyfyniad APA

Wiseman, J. (1989). Cost, choice, and political economy. Elgar.

Dyfyniad Arddull Chicago

Wiseman, Jack. Cost, Choice, and Political Economy. Aldershot, Hants: Elgar, 1989.

Dyfyniad MLA

Wiseman, Jack. Cost, Choice, and Political Economy. Elgar, 1989.

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