Gaya APA

Herman, S, L., L, I, S, B. (2010). Electricity & controls for HVAC/R . New York: New York: Delmar Cengage Learning, 2010.

Gaya MLA

Herman, Stephen, L., L, I., Sparkman,, Bennie. "Electricity & controls for HVAC/R". New York: New York: Delmar Cengage Learning, 2010, 2010. .