ACKERY, E. (1965). Electricity and space heating. Blackie.
Tohutoru Kātū Chicago (17th ed.)ACKERY, E.M. Electricity and Space Heating. London: Blackie, 1965.
Tohutoro MLA (9th ed.)ACKERY, E.M. Electricity and Space Heating. Blackie, 1965.
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