(1931). Navigation tables for mariners and aviators for all latitudes. Government Printing Office.
Cita Chicago Style (17a ed.)Navigation Tables for Mariners and Aviators for All Latitudes. United States: Government Printing Office, 1931.
Cita MLA (9a ed.)Navigation Tables for Mariners and Aviators for All Latitudes. Government Printing Office, 1931.
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