Highland, H. J. (1963). Encyclopedia of space science. New York: Theodore Audel and Company.
Trích dẫn kiểu ChicagoHighland, Harold Joseph. Encyclopedia of Space Science. New York: Theodore Audel and Company, 1963.
Deismireacht MLAHighland, Harold Joseph. Encyclopedia of Space Science. New York: Theodore Audel and Company, 1963.
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