United States. National Aeronautics and Space Administration. NASA technical report. National Aeronautics and Space Administration : [For sale by the Office of Technical Services, Dept. of Commerce,.
Trích dẫn kiểu Chicago (xuất bản lần thứ 7)United States. National Aeronautics and Space Administration. NASA Technical Report. Washington, D.C.: National Aeronautics and Space Administration : [For sale by the Office of Technical Services, Dept. of Commerce,.
Trích dẫn kiểu MLA (xuất bản lần thứ 8)United States. National Aeronautics and Space Administration. NASA Technical Report. National Aeronautics and Space Administration : [For sale by the Office of Technical Services, Dept. of Commerce,.
Cảnh báo: Các trích dẫn này có thể không phải lúc nào cũng chính xác 100%.