United States. National Archives and Records Service & American Historical Association. Committee for the Study of War Documents. (1961). Records of Reich Office for Soil Exploration (Reichsamt für Bodenforschung). National Archives and Records Service, General Services Administration.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)United States. National Archives and Records Service و American Historical Association. Committee for the Study of War Documents. Records of Reich Office for Soil Exploration (Reichsamt Für Bodenforschung). Washington: National Archives and Records Service, General Services Administration, 1961.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)United States. National Archives and Records Service و American Historical Association. Committee for the Study of War Documents. Records of Reich Office for Soil Exploration (Reichsamt Für Bodenforschung). National Archives and Records Service, General Services Administration, 1961.