Cita APA (7th ed.)
Whitman, W. C. (2009). Refrigeration & air conditioning technology (6th ed.). Delmar Cengage Learning.
Cita Chicago (17th ed.)
Whitman, William C. Refrigeration & Air Conditioning Technology. 6th ed. Clifton Park, N.Y.: Delmar Cengage Learning, 2009.
Cita MLA (9th ed.)
Whitman, William C. Refrigeration & Air Conditioning Technology. 6th ed. Delmar Cengage Learning, 2009.
Atenció: Aquestes cites poden no estar 100% correctes.