Sixth National Conference on Clays and Clay Minerals. (1957). Clays and clay minerals. Pergamon Press.
Chicago-referens (17:e uppl.)Sixth National Conference on Clays and Clay Minerals. Clays and Clay Minerals. New York: Pergamon Press, 1957.
MLA-referens (9:e uppl.)Sixth National Conference on Clays and Clay Minerals. Clays and Clay Minerals. Pergamon Press, 1957.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.