American National Standards Institute, & American National Standards Institute. (1987). American National Standard for ductile-iron pipe, centrifugally cast, in metal molds or sand-lined molds for gas. New York, New York: American Gas Asociation.
Chicago Style CitationAmerican National Standards Institute, and American National Standards Institute. American National Standard for Ductile-iron Pipe, Centrifugally Cast, in Metal Molds or Sand-lined Molds for Gas. New York, New York: American Gas Asociation, 1987.
MLA CitationAmerican National Standards Institute, and American National Standards Institute. American National Standard for Ductile-iron Pipe, Centrifugally Cast, in Metal Molds or Sand-lined Molds for Gas. New York, New York: American Gas Asociation, 1987.