(1957). Review of geodetic and mapping possibilities. Co-operative Society for Geodesy and Cartography.
Chicago-viite (17. p.)Review of Geodetic and Mapping Possibilities. Frankfurt: Co-operative Society for Geodesy and Cartography, 1957.
MLA-viite (9. p.)Review of Geodetic and Mapping Possibilities. Co-operative Society for Geodesy and Cartography, 1957.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.