PALMQUIST, R. (1977). Refrigeration: Home and commercial. Howard W. Sams and Co.
Citazione stile Chigago Style (17a edizione)PALMQUIST, Roland. Refrigeration: Home and Commercial. America: Howard W. Sams and Co, 1977.
Citatione MLA (9a ed.)PALMQUIST, Roland. Refrigeration: Home and Commercial. Howard W. Sams and Co, 1977.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.