APA način citiranja (7. izdanje)

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

Čikaški stil citiranja (17. izdanje)

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

MLA način citiranja (9. izdanje)

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