APA

Electric Space Heating and Air Conditioning Conference, International Union of Producers and Distributors of Electrical Energy, . (1977). Fourth Electric Space Heating and Air Conditioning Conference. Paris: UNIPEDE.

Chicago

Electric Space Heating and Air Conditioning Conference, International Union of Producers and Distributors of Electrical Energy, . 1977. Fourth Electric Space Heating and Air Conditioning Conference. Paris: UNIPEDE.

Harvard

Electric Space Heating and Air Conditioning Conference, International Union of Producers and Distributors of Electrical Energy, . (1977). Fourth Electric Space Heating and Air Conditioning Conference. Paris: UNIPEDE.

MLA

Electric Space Heating and Air Conditioning Conference, International Union of Producers and Distributors of Electrical Energy, . Fourth Electric Space Heating and Air Conditioning Conference. Paris: UNIPEDE. 1977.