PALMQUIST, R. (1977). Refrigeration: Home and commercial. Howard W. Sams and Co.
Lua i Stíl Chicago (17ú heag.)PALMQUIST, Roland. Refrigeration: Home and Commercial. America: Howard W. Sams and Co, 1977.
Lua MLA (9ú heag.)PALMQUIST, Roland. Refrigeration: Home and Commercial. Howard W. Sams and Co, 1977.
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