International Symposium Management of Geodetic Data Copenhagen, Geodætisk institut (Denmark), & Tscherning, C. (1981). Proceedings of the International Symposium Management of Geodetic Data København 24.-26. August 1981. Produced for the Geodetic Institute by Akademisk vorlag.
Citace podle Chicago (17th ed.)International Symposium Management of Geodetic Data Copenhagen, Geodætisk institut (Denmark), a Carl Tscherning. Proceedings of the International Symposium Management of Geodetic Data København 24.-26. August 1981. København, Danmark: Produced for the Geodetic Institute by Akademisk vorlag, 1981.
Citace podle MLA (8th ed.)International Symposium Management of Geodetic Data Copenhagen, et al. Proceedings of the International Symposium Management of Geodetic Data København 24.-26. August 1981. Produced for the Geodetic Institute by Akademisk vorlag, 1981.