APA

Federation International Des Geometres, International Society for Photogrammetry and Remote Sensing & International Cartographic Association. (1995). International symposium : professional practice, education of surveyors and new technologies : papers, 15-16 November 1995, Sofia, Bulgaria. Sofia, Bulgaria: FIG.

Chicago

Federation International Des Geometres, International Society for Photogrammetry and Remote Sensing and International Cartographic Association. 1995. International symposium : professional practice, education of surveyors and new technologies : papers, 15-16 November 1995, Sofia, Bulgaria. Sofia, Bulgaria: FIG.

Harvard

Federation International Des Geometres, International Society for Photogrammetry and Remote Sensing and International Cartographic Association. (1995). International symposium : professional practice, education of surveyors and new technologies : papers, 15-16 November 1995, Sofia, Bulgaria. Sofia, Bulgaria: FIG.

MLA

Federation International Des Geometres, International Society for Photogrammetry and Remote Sensing and International Cartographic Association. International symposium : professional practice, education of surveyors and new technologies : papers, 15-16 November 1995, Sofia, Bulgaria. Sofia, Bulgaria: FIG. 1995.