Paul, J. K. (1977). Solar Heating and Cooling: Recent advances. NDC.
Chicago Style aipamenaPaul, J. K. Solar Heating and Cooling: Recent Advances. New Jersey: NDC, 1977.
MLA aipamenaPaul, J. K. Solar Heating and Cooling: Recent Advances. NDC, 1977.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.