Ristow, W. W. (1960). Aviation cartography: Historico bibliographic study of aeronauticas charts (2a. ed.). Library of congress.
Lua i Stíl Chicago (17ú heag.)Ristow, Walter W. Aviation Cartography: Historico Bibliographic Study of Aeronauticas Charts. 2a. ed. Washington: Library of congress, 1960.
Lua MLA (9ú heag.)Ristow, Walter W. Aviation Cartography: Historico Bibliographic Study of Aeronauticas Charts. 2a. ed. Library of congress, 1960.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.