Werth, J. T. (1980). Sand and gravel resources: Protection, regulation, and reclamation. American Planning Association, Planning Advisory Service.
Chicago Style (17th ed.) CitationWerth, Joel T. Sand and Gravel Resources: Protection, Regulation, and Reclamation. Chicago: American Planning Association, Planning Advisory Service, 1980.
MLA (8th ed.) CitationWerth, Joel T. Sand and Gravel Resources: Protection, Regulation, and Reclamation. American Planning Association, Planning Advisory Service, 1980.
Warning: These citations may not always be 100% accurate.