Underwriters Laboratories, & Underwriters Laboratories. (1988). Standard for electric booster and commercial storage tank water heaters: UL 1453 (3. edition --.). Illinois: Ul.
Chicago Style CitationUnderwriters Laboratories, and Underwriters Laboratories. Standard for Electric Booster and Commercial Storage Tank Water Heaters: UL 1453. 3. edition --. Illinois: Ul, 1988.
MLA CitationUnderwriters Laboratories, and Underwriters Laboratories. Standard for Electric Booster and Commercial Storage Tank Water Heaters: UL 1453. 3. edition --. Illinois: Ul, 1988.
Warning: These citations may not always be 100% accurate.