Dyfyniad APA

Ball, J. M. (1947). Reclaimed Rubber: The Story of an American Raw Material. Rubber Reclaimers Association.

Dyfyniad Arddull Chicago

Ball, John M. Reclaimed Rubber: The Story of an American Raw Material. New York: Rubber Reclaimers Association, 1947.

Dyfyniad MLA

Ball, John M. Reclaimed Rubber: The Story of an American Raw Material. Rubber Reclaimers Association, 1947.

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