Lembaga Penerbangan dan Antariksa Nasional,
Majalah, Jurnal, Buletin
Chaisson, Eric, author
Prentice-Hall, 1999
Multimedia
Jefferys, William H., author
John Wiley & Sons, 1981
Buku Teks
Robbins, Robert R., author
John Wiley & Sons, 1981
Buku Teks
Ahrens, L.H., author
McGraw-Hill, 1965
Buku Teks