Dyfyniad APA

Stewart,Ian M T. (1979). Reasoning and method in economics. McGraw Hill.

Dyfyniad Arddull Chicago

Stewart,Ian M T. Reasoning and Method in Economics. U K: McGraw Hill, 1979.

Dyfyniad MLA

Stewart,Ian M T. Reasoning and Method in Economics. McGraw Hill, 1979.

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