Leonard, . I. E., Lewis, J. E., Liu, A., & Tokarsky, G. (2014). Classical Geometry: Euclidean, transformational, inversive, and projective. Wiley.
Cita Chicago (17th ed.)Leonard, I. E., J. E. Lewis, A.C.F Liu, i G.W Tokarsky. Classical Geometry: Euclidean, Transformational, Inversive, and Projective. Hoboken, New Jersey, USA: Wiley, 2014.
Cita MLA (9th ed.)Leonard, I. E., et al. Classical Geometry: Euclidean, Transformational, Inversive, and Projective. Wiley, 2014.
Atenció: Aquestes cites poden no estar 100% correctes.