(1960). McGraw-Hill Encyclopedia of Science and Technology: An international reference work : In 15 vols. including an index. McGraw-Hill Book Co..

McGraw-Hill Encyclopedia of Science and Technology: An International Reference Work : In 15 Vols. Including an Index. New York: McGraw-Hill Book Co., 1960.

McGraw-Hill Encyclopedia of Science and Technology: An International Reference Work : In 15 Vols. Including an Index. McGraw-Hill Book Co., 1960.