APA-ийн эшлэл(7 дахь хэвлэлт)

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

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

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

MLA -ийн эшлэл (9 дэх хэвлэлт)

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