Não informado. (2001). Scientific and technical aerospace reports. National Aeronautics and Space Administration.
Παραπομπή σε μορφή Chicago (17η εκδ.)Não informado. Scientific and Technical Aerospace Reports. Washington: National Aeronautics and Space Administration, 2001.
Παραπομπή σε μορφή MLA (8th εκδ.)Não informado. Scientific and Technical Aerospace Reports. National Aeronautics and Space Administration, 2001.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.