HINKS, A. R. (1944). Maps and survey. Cambridge University Press.
Lua i Stíl Chicago (17ú heag.)HINKS, Arthur R. Maps and Survey. Cambridge University Press, 1944.
Lua MLA (9ú heag.)HINKS, Arthur R. Maps and Survey. Cambridge University Press, 1944.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.