Dyfyniad APA

Williams,John. (1977). Society and the environment: A Soviet View. Progress Publishers.

Dyfyniad Arddull Chicago

Williams,John. Society and the Environment: A Soviet View. Moscow: Progress Publishers, 1977.

Dyfyniad MLA

Williams,John. Society and the Environment: A Soviet View. Progress Publishers, 1977.

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