Torge, W. (2001). Geodesy (3rd completely rev. and extended ed.). W. de Gruyter.
Lua i Stíl Chicago (17ú heag.)Torge, Wolfgang. Geodesy. 3rd completely rev. and extended ed. Berlin ; New York: W. de Gruyter, 2001.
Lua MLA (9ú heag.)Torge, Wolfgang. Geodesy. 3rd completely rev. and extended ed. W. de Gruyter, 2001.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.