Citazione Stile APA (7a Edizione)

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

Citazione stile Chigago Style (17a edizione)

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

Citatione MLA (9a ed.)

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