R.V. Gamkrelidze. (1991). Geometry I: Basic ideas and concepts of differential geometry. Springer-Verlag.
Lua i Stíl Chicago (17ú heag.)R.V. Gamkrelidze. Geometry I: Basic Ideas and Concepts of Differential Geometry. Berlin, New York: Springer-Verlag, 1991.
Lua MLA (9ú heag.)R.V. Gamkrelidze. Geometry I: Basic Ideas and Concepts of Differential Geometry. Springer-Verlag, 1991.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.