Fitzgerald,, A. e. a. (1992). Electric machinery (5th ed.). McGraw Hill.
Chicago Style aipamenaFitzgerald,, A.E. et al. Electric Machinery. 5th ed. London: McGraw Hill, 1992.
MLA aipamenaFitzgerald,, A.E. et al. Electric Machinery. 5th ed. McGraw Hill, 1992.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.