Παραπομπή APA

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

Παραπομπή Chicago Style

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

Παραπομπή MLA

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