APA (7 वां संस्करण) प्रशस्ति पत्र

PALMQUIST, R. (1977). Refrigeration: Home and commercial. Howard W. Sams and Co.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

PALMQUIST, Roland. Refrigeration: Home and Commercial. America: Howard W. Sams and Co, 1977.

एमएलए (9वां संस्करण) प्रशस्ति पत्र

PALMQUIST, Roland. Refrigeration: Home and Commercial. Howard W. Sams and Co, 1977.