Lent, H. B. (1964). Your place in America's space program. New York: The Macmillan Company.
Trích dẫn kiểu ChicagoLent, Henry B. Your Place in America's Space Program. New York: The Macmillan Company, 1964.
ציטוט MLALent, Henry B. Your Place in America's Space Program. New York: The Macmillan Company, 1964.
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