Great Britain. Property Services Agency. Library Service & Calder, M. (1975). Energy conservation in building design. Property Services Agency.
Cita Chicago (17th ed.)Great Britain. Property Services Agency. Library Service i Margaret Calder. Energy Conservation in Building Design. London: Property Services Agency, 1975.
Cita MLA (8th ed.)Great Britain. Property Services Agency. Library Service i Margaret Calder. Energy Conservation in Building Design. Property Services Agency, 1975.
Atenció: Aquestes cites poden no estar 100% correctes.