ACKERY, E. (1965). Electricity and space heating. Blackie.
Cita Chicago (17th ed.)ACKERY, E.M. Electricity and Space Heating. London: Blackie, 1965.
Cita MLA (9th ed.)ACKERY, E.M. Electricity and Space Heating. Blackie, 1965.
Atenció: Aquestes cites poden no estar 100% correctes.