Cita APA (7th ed.)

Happ, H. H. (1980). Piecewise methods and applications to power systems. John Wiley.

Cita Chicago (17th ed.)

Happ, H. H. Piecewise Methods and Applications to Power Systems. Nueva York: John Wiley, 1980.

Cita MLA (9th ed.)

Happ, H. H. Piecewise Methods and Applications to Power Systems. John Wiley, 1980.