Copson,E.T. (1990). Matric spaces. Universal Book Stall.
Chicago Style aipamenaCopson,E.T. Matric Spaces. New Delhi: Universal Book Stall, 1990.
MLA aipamenaCopson,E.T. Matric Spaces. Universal Book Stall, 1990.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.