(1963). Axiomatic projective geometry.
Chicago Style (17th ed.) ZitazioaAxiomatic Projective Geometry. 1963.
MLA (9th ed.) ZitazioaAxiomatic Projective Geometry. 1963.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.
APA (7th ed.) Zitazioa