Underwriters Laboratories, & Underwriters Laboratories. (1988). Standard for thermal cutoffs for use in electrical appliances and components: UL 1020 (4. edition --.). Illinois: Ul.
Chicago Style CitationUnderwriters Laboratories, and Underwriters Laboratories. Standard for Thermal Cutoffs for Use in Electrical Appliances and Components: UL 1020. 4. edition --. Illinois: Ul, 1988.
MLA CitationUnderwriters Laboratories, and Underwriters Laboratories. Standard for Thermal Cutoffs for Use in Electrical Appliances and Components: UL 1020. 4. edition --. Illinois: Ul, 1988.
Warning: These citations may not always be 100% accurate.