APA-ийн эшлэл(7 дахь хэвлэлт)

(1993). The real projective plane / H.S.M. Coxeter ; with an appendix for Mathematica by George Beck.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

The Real Projective Plane / H.S.M. Coxeter ; with an Appendix for Mathematica by George Beck. 1993.

MLA -ийн эшлэл (9 дэх хэвлэлт)

The Real Projective Plane / H.S.M. Coxeter ; with an Appendix for Mathematica by George Beck. 1993.