Marsh, P. (1985). The Space business: The exploitation of space- how much, how far, how probable? New York: Penguin Books.
Trích dẫn kiểu ChicagoMarsh, Peter. The Space Business: The Exploitation of Space- How Much, How Far, How Probable? New York: Penguin Books, 1985.
Trích dẫn MLAMarsh, Peter. The Space Business: The Exploitation of Space- How Much, How Far, How Probable? New York: Penguin Books, 1985.
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