U.S. Air Force, Cambridge Research Center. Air Force Surveys in Geophysics. Geophysics Research Directorate.
Čikaški stil citiranja (17. izdanje)U.S. Air Force, Cambridge Research Center. Air Force Surveys in Geophysics. Bedford, Mass: Geophysics Research Directorate.
MLA način citiranja (8. izdanje)U.S. Air Force, Cambridge Research Center. Air Force Surveys in Geophysics. Geophysics Research Directorate.
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