ICA Commission on Standards for the Transfer of Spatial Data, Moellering, H., & Hogan, R. (1997). Spatial database transfer standards 2: Characteristics for assessing standards and full descriptions of the national and international standards in the world. Published on behalf of the International Cartographic Association by Elsevier Science, Pergamon.
Παραπομπή σε μορφή Chicago (17η εκδ.)ICA Commission on Standards for the Transfer of Spatial Data, Harold Moellering, και Richard Hogan. Spatial Database Transfer Standards 2: Characteristics for Assessing Standards and Full Descriptions of the National and International Standards in the World. Oxford, UK; Tarrytown, N.Y.: Published on behalf of the International Cartographic Association by Elsevier Science, Pergamon, 1997.
Παραπομπή σε μορφή MLA (9th εκδ.)ICA Commission on Standards for the Transfer of Spatial Data, et al. Spatial Database Transfer Standards 2: Characteristics for Assessing Standards and Full Descriptions of the National and International Standards in the World. Published on behalf of the International Cartographic Association by Elsevier Science, Pergamon, 1997.