Leonor, C. D. (2000). Projective geometry. Institute of Mathematical Sciences and Physics.
Chicago-viite (17. p.)Leonor, Constantino D. Projective Geometry. College, Laguna: Institute of Mathematical Sciences and Physics, 2000.
MLA-viite (9. p.)Leonor, Constantino D. Projective Geometry. Institute of Mathematical Sciences and Physics, 2000.
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