Dyfyniad APA

Somon, H. A. (1979). Models of thought. Yale University.

Dyfyniad Arddull Chicago

Somon, Herbert A. Models of Thought. New Haven: Yale University, 1979.

Dyfyniad MLA

Somon, Herbert A. Models of Thought. Yale University, 1979.

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