Cita APA (7th ed.)

Whitman , W. C., & By , J.. (1988). Refrigeration and air Conditioning technology: Concepts ,procedures , and troubleshooting techniques. Delmar.

Cita Chicago (17th ed.)

Whitman , William C., i Johnson By. Refrigeration and Air Conditioning Technology: Concepts ,procedures , and Troubleshooting Techniques. Albary: Delmar, 1988.

Cita MLA (9th ed.)

Whitman , William C., i Johnson By. Refrigeration and Air Conditioning Technology: Concepts ,procedures , and Troubleshooting Techniques. Delmar, 1988.