Tohutoro APA (7th ed.)

VEBLEN, O. (1910). Projective geometry. Blaisdell.

Tohutoru Kātū Chicago (17th ed.)

VEBLEN, Oswald. Projective Geometry. New York: Blaisdell, 1910.

Tohutoro MLA (9th ed.)

VEBLEN, Oswald. Projective Geometry. Blaisdell, 1910.