Tohutoro APA (7th ed.)

Heyting, A. (1980). Axiomatic projective geometry (2a. ed.). North-Holland.

Tohutoru Kātū Chicago (17th ed.)

Heyting, A. Axiomatic Projective Geometry. 2a. ed. Amsterdam: North-Holland, 1980.

Tohutoro MLA (9th ed.)

Heyting, A. Axiomatic Projective Geometry. 2a. ed. North-Holland, 1980.