Westinghouse Electric Corporation, & Electric Utility Engineering Dept. (1959). Electric utility engineering reference book. East Pittsburg, Pa: Westinghouse Electric Corporation.
Παραπομπή Chicago StyleWestinghouse Electric Corporation, και Electric Utility Engineering Dept. Electric Utility Engineering Reference Book. East Pittsburg, Pa: Westinghouse Electric Corporation, 1959.
Παραπομπή MLAWestinghouse Electric Corporation, και Electric Utility Engineering Dept. Electric Utility Engineering Reference Book. East Pittsburg, Pa: Westinghouse Electric Corporation, 1959.
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