APA ציטוט

National conference on Clays and Clay Minerals. Clays and clay minerals. Pergamon Press.

Chicago Style (17th ed.) Citation

National conference on Clays and Clay Minerals. Clays and Clay Minerals. U.K: Pergamon Press.

ציטוט MLA

National conference on Clays and Clay Minerals. Clays and Clay Minerals. Pergamon Press.