U.S. Air Force, Cambridge Research Center. Air Force Surveys in Geophysics. Geophysics Research Directorate.
Citação do estilo Chicago (17ª ed.)U.S. Air Force, Cambridge Research Center. Air Force Surveys in Geophysics. Bedford, Mass: Geophysics Research Directorate.
Citação MLA (8ª ed.)U.S. Air Force, Cambridge Research Center. Air Force Surveys in Geophysics. Geophysics Research Directorate.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.