Hart , J. F. (1968). Computer approximations. John Wiley.
Chicago Style (17th ed.) ZitazioaHart , John F. Computer Approximations. New York: John Wiley, 1968.
MLA (9th ed.) ZitazioaHart , John F. Computer Approximations. John Wiley, 1968.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.