Edited by Rhind, D. (1997). Framework for the world. Geoinformation International.
Lua i Stíl Chicago (17ú heag.)Edited by Rhind, David. Framework for the World. Cambridge: Geoinformation International, 1997.
Lua MLA (9ú heag.)Edited by Rhind, David. Framework for the World. Geoinformation International, 1997.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.