WHITMAN, W. C., & JOHNSON, W. M. (1987). Refrigeration and air conditioning technology: Conceptsprocedures, and troubleshooting techniques. Delmar Pub.
Lua i Stíl Chicago (17ú heag.)WHITMAN, William C., agus William M. JOHNSON. Refrigeration and Air Conditioning Technology: Conceptsprocedures, and Troubleshooting Techniques. New York: Delmar Pub, 1987.
Lua MLA (9ú heag.)WHITMAN, William C., agus William M. JOHNSON. Refrigeration and Air Conditioning Technology: Conceptsprocedures, and Troubleshooting Techniques. Delmar Pub, 1987.
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