APA
E.U.A. Water Power Resources Service, . (1981). Concrete manual. Washington: Government Printing Office.
Chicago
E.U.A. Water Power Resources Service, . 1981. Concrete manual. Washington: Government Printing Office.
Harvard
E.U.A. Water Power Resources Service, . (1981). Concrete manual. Washington: Government Printing Office.
MLA
E.U.A. Water Power Resources Service, . Concrete manual. Washington: Government Printing Office. 1981.