International Cartographic Association, Anson, R. W., & Ormeling, F. (1991). Basic cartography: For students and technicians-exercise manual. Published on behalf of the International Cartographic Assiciation by Elsvier Applied Science Publishers.
Παραπομπή σε μορφή Chicago (17η εκδ.)International Cartographic Association, R. W. Anson, και Ferjan Ormeling. Basic Cartography: For Students and Technicians-exercise Manual. London: Published on behalf of the International Cartographic Assiciation by Elsvier Applied Science Publishers, 1991.
Παραπομπή σε μορφή MLA (9th εκδ.)International Cartographic Association, et al. Basic Cartography: For Students and Technicians-exercise Manual. Published on behalf of the International Cartographic Assiciation by Elsvier Applied Science Publishers, 1991.