Παραπομπή APA

Bradley, W. F. (1963). Clays and clay minerals: :Proceedings of the eleventh national conference on clays and clays minerals. Pergamon press.

Παραπομπή Chicago Style

Bradley, W. F. Clays and Clay Minerals: :Proceedings of the Eleventh National Conference on Clays and Clays Minerals. New york: Pergamon press, 1963.

Παραπομπή MLA

Bradley, W. F. Clays and Clay Minerals: :Proceedings of the Eleventh National Conference on Clays and Clays Minerals. Pergamon press, 1963.