United States. Department of Energy. Division of Buildings and Community Systems. (1978). Insulating electric water heaters. Dept. of Energy, Assistant Secretary for Conservation and Solar Applications, Division of Buildings and Community Systems.
Chicago Style (17th ed.) CitationUnited States. Department of Energy. Division of Buildings and Community Systems. Insulating Electric Water Heaters. Washington: Dept. of Energy, Assistant Secretary for Conservation and Solar Applications, Division of Buildings and Community Systems, 1978.
MLA (9th ed.) CitationUnited States. Department of Energy. Division of Buildings and Community Systems. Insulating Electric Water Heaters. Dept. of Energy, Assistant Secretary for Conservation and Solar Applications, Division of Buildings and Community Systems, 1978.