Whitman , W. C., & By , J.. (1988). Refrigeration and air Conditioning technology: Concepts ,procedures , and troubleshooting techniques. Delmar.
Citazione stile Chigago Style (17a edizione)Whitman , William C., e Johnson By. Refrigeration and Air Conditioning Technology: Concepts ,procedures , and Troubleshooting Techniques. Albary: Delmar, 1988.
Citatione MLA (9a ed.)Whitman , William C., e Johnson By. Refrigeration and Air Conditioning Technology: Concepts ,procedures , and Troubleshooting Techniques. Delmar, 1988.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.