Australia. Division of National Mapping. (1974). Standard definitions of terms used in photogrammetry, revised March 1974. National Mapping Council of Australia.
Lua i Stíl Chicago (17ú heag.)Australia. Division of National Mapping. Standard Definitions of Terms Used in Photogrammetry, Revised March 1974. Canberra: National Mapping Council of Australia, 1974.
Lua MLA (8ú heag.)Australia. Division of National Mapping. Standard Definitions of Terms Used in Photogrammetry, Revised March 1974. National Mapping Council of Australia, 1974.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.