International Symposium on Energy and Environment Espoo, Finland, American Society of Heating, Refrigerating and Air-Conditioning Engineers, & Kainlauri, E. O. (1991). Energy and environment 1991. American Society of Heating, Refrigerating and Air-Conditioning Engineers.
Παραπομπή σε μορφή Chicago (17η εκδ.)International Symposium on Energy and Environment Espoo, Finland, Refrigerating and Air-Conditioning Engineers American Society of Heating, και Eino Olavi Kainlauri. Energy and Environment 1991. Atlanta: American Society of Heating, Refrigerating and Air-Conditioning Engineers, 1991.
Παραπομπή σε μορφή MLA (9th εκδ.)International Symposium on Energy and Environment Espoo, Finland, et al. Energy and Environment 1991. American Society of Heating, Refrigerating and Air-Conditioning Engineers, 1991.