Heyting, A. (1980). Axiomatic projective geometry.- 2nd ed. (2nd ed.). P. Noordhoff ; sole distributors for the U.S.A. and Canada, Elsevier North-Holland.
Citação norma ChicagoHeyting, A. Axiomatic Projective Geometry.- 2nd Ed. 2nd ed. Groningen : New York: P. Noordhoff ; sole distributors for the U.S.A. and Canada, Elsevier North-Holland, 1980.
Citação norma MLAHeyting, A. Axiomatic Projective Geometry.- 2nd Ed. 2nd ed. P. Noordhoff ; sole distributors for the U.S.A. and Canada, Elsevier North-Holland, 1980.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.