Sullivan, R. L. (1977). Power system planning. McGraw-Hill.
Chicago Style (17th ed.) ZitazioaSullivan, R. L. Power System Planning. New York: McGraw-Hill, 1977.
MLA (9th ed.) ZitazioaSullivan, R. L. Power System Planning. McGraw-Hill, 1977.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.