Lua APA (7ú heag.)

GREENBERG, M. J. (1974). Euclidean and non-euclidean geometries. W.H.Freeman and co.

Lua i Stíl Chicago (17ú heag.)

GREENBERG, Marvin Jay. Euclidean and Non-euclidean Geometries. San Francisco: W.H.Freeman and co, 1974.

Lua MLA (9ú heag.)

GREENBERG, Marvin Jay. Euclidean and Non-euclidean Geometries. W.H.Freeman and co, 1974.

Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.