Hardy, J. D. (1964). Physiological problems in space exploration. C.C.Thomas.
Chicago Style (17. basım) AtıfHardy, James D. Physiological Problems in Space Exploration. Springfield, Ill.: C.C.Thomas, 1964.
MLA (8th ed.) AtıfHardy, James D. Physiological Problems in Space Exploration. C.C.Thomas, 1964.
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