Cita APA

Underwriters Laboratories, & Underwriters Laboratories. (1988). Standard for thermal cutoffs for use in electrical appliances and components: UL 1020 (4. edition --.). Illinois: Ul.

Citación estilo Chicago

Underwriters Laboratories, y Underwriters Laboratories. Standard for Thermal Cutoffs for Use in Electrical Appliances and Components: UL 1020. 4. edition --. Illinois: Ul, 1988.

Cita MLA

Underwriters Laboratories, y Underwriters Laboratories. Standard for Thermal Cutoffs for Use in Electrical Appliances and Components: UL 1020. 4. edition --. Illinois: Ul, 1988.