APA-viite (7. p.)

Ramsey, A. S. (1932). Elementary co-ordinate geometry: A book for beginners. Cambridge University Press.

Chicago-viite (17. p.)

Ramsey, A. S. Elementary Co-ordinate Geometry: A Book for Beginners. Cambridge: Cambridge University Press, 1932.

MLA-viite (8. p.)

Ramsey, A. S. Elementary Co-ordinate Geometry: A Book for Beginners. Cambridge University Press, 1932.