Cita APA

Helcké, G. (1981). The energy savinge guide: Tables for assessing the profitability of energy savig measures with explanatory notes and worked exampls (1a. ed.). Oxford ; New York: Pergamon Press.

Citación estilo Chicago

Helcké, Gerge. The Energy Savinge Guide: Tables for Assessing the Profitability of Energy Savig Measures With Explanatory Notes and Worked Exampls. 1a. ed. Oxford ; New York: Pergamon Press, 1981.

Cita MLA

Helcké, Gerge. The Energy Savinge Guide: Tables for Assessing the Profitability of Energy Savig Measures With Explanatory Notes and Worked Exampls. 1a. ed. Oxford ; New York: Pergamon Press, 1981.