Citazione Stile APA (7a Edizione)
Spitzer, D. W. (2012). Variable speed drives: Principles and applications for energy cost savings (4th ed.). Momentum Press.
Citazione stile Chigago Style (17a edizione)
Spitzer, David W. Variable Speed Drives: Principles and Applications for Energy Cost Savings. 4th ed. [New York, N.Y.] (222 East 46th Street, New York, NY 10017): Momentum Press, 2012.
Citatione MLA (9a ed.)
Spitzer, David W. Variable Speed Drives: Principles and Applications for Energy Cost Savings. 4th ed. Momentum Press, 2012.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.