Dyfyniad APA

Solo, R. A. (1982). The positive state. South-Western Pub. Co..

Dyfyniad Arddull Chicago

Solo, Robert A. The Positive State. Cincinnati: South-Western Pub. Co., 1982.

Dyfyniad MLA

Solo, Robert A. The Positive State. South-Western Pub. Co., 1982.

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