International Geographical Union. Commission on Geographical Data Sensing and Processing, Symposium on Geographical Information Systems, 2d, & Tomlinson, R. F. (1972). Geographical data handling (Symposium ed.). International Geographical Union Commission on Geographical Data Sensing and Processing.
Citace podle Chicago (17th ed.)International Geographical Union. Commission on Geographical Data Sensing and Processing, 2d Symposium on Geographical Information Systems, a R. F. Tomlinson. Geographical Data Handling. Symposium ed. [Ottawa]: International Geographical Union Commission on Geographical Data Sensing and Processing, 1972.
Citace podle MLA (8th ed.)International Geographical Union. Commission on Geographical Data Sensing and Processing, et al. Geographical Data Handling. Symposium ed. International Geographical Union Commission on Geographical Data Sensing and Processing, 1972.