Cita APA (7th ed.)

Ahern, J. E. (1982). The energy method of energy systems analysis. John Wiley.

Cita Chicago (17th ed.)

Ahern, John E. The Energy Method of Energy Systems Analysis. Nueva York: John Wiley, 1982.

Cita MLA (9th ed.)

Ahern, John E. The Energy Method of Energy Systems Analysis. John Wiley, 1982.