Kar, J. Analytical geometry of the conic sections (5th ed.). Standard law house.
Chicago-viite (17. p.)Kar, J.M. Analytical Geometry of the Conic Sections. 5th ed. Delhi: Standard law house.
MLA-viite (8. p.)Kar, J.M. Analytical Geometry of the Conic Sections. 5th ed. Standard law house.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.