Freeman, I. M. (1968). Physics: Principles and insights. McGraw-Hill.
Chicago Style (17th ed.) ZitazioaFreeman, Ira M. Physics: Principles and Insights. York York: McGraw-Hill, 1968.
MLA (9th ed.) ZitazioaFreeman, Ira M. Physics: Principles and Insights. McGraw-Hill, 1968.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.