Dyfyniad APA

Sprout, H., & Margaret, S. (1971). Toward a politics of the planet earth. Nostrand.

Dyfyniad Arddull Chicago

Sprout, Harold, and Sprout Margaret. Toward a Politics of the Planet Earth. New York: Nostrand, 1971.

Dyfyniad MLA

Sprout, Harold, and Sprout Margaret. Toward a Politics of the Planet Earth. Nostrand, 1971.

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