Coba jelasin Lihat pula dari Geometri hiperbolik dong

Kemiringan seragam dalam bidang hiperbolik

A'Campo, Norbert and Papadopoulos, Athanase, (2012) Notes on hyperbolic geometry, in: Strasbourg Master class on Geometry, pp. 1–182,  IRMA Lectures in Mathematics and Theoretical Physics,  Vol. 18,  Zürich: European Mathematical Society (EMS), 461 pages, SBN , DOI 10.4171/105.

Coxeter, H. S. M., (1942) Non-Euclidean geometry, University of Toronto Press, Toronto.

Lobachevsky, Nikolai I., (2010) Pangeometry, Edited and translated by Athanase Papadopoulos,  Heritage of European Mathematics, Vol. 4. Zürich: European Mathematical Society (EMS). xii, 310~p, /hbk

Milnor, John W., (1982) Hyperbolic geometry: The first 150 years , Bull. Amer. Math. Soc. (N.S.) Volume 6, Number 1, pp. 9–24.

Reynolds, William F., (1993) Hyperbolic Geometry on a Hyperboloid, American Mathematical Monthly 100:442–455.

Samuels, David, (March 2006) Knit Theory Discover Magazine, volume 27, Number 3.

James W. Anderson, Hyperbolic Geometry, Springer 2005, .

James W. Cannon, William J. Floyd, Richard Kenyon, and Walter R. Parry (1997) Hyperbolic Geometry '', MSRI Publications, volume 31.