Não informado. (1927). Heating and ventilating engineer and journal of air conditionin. Technitrade Journals.
Chicagoスタイル(17版)引用形式Não informado. Heating and Ventilating Engineer and Journal of Air Conditionin. London: Technitrade Journals, 1927.
MLA(8版)引用形式Não informado. Heating and Ventilating Engineer and Journal of Air Conditionin. Technitrade Journals, 1927.
警告: この引用は必ずしも正確ではありません.