Snyder, J. P. (1982). Map projections used by the U.S. geological survey (2nd ed.). U.S. Government Printing Office.
Citace podle Chicago (17th ed.)Snyder, John Parr. Map Projections Used by the U.S. Geological Survey. 2nd ed. Washington: U.S. Government Printing Office, 1982.
Citace podle MLA (9th ed.)Snyder, John Parr. Map Projections Used by the U.S. Geological Survey. 2nd ed. U.S. Government Printing Office, 1982.
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