Boyd, L. G. The World of Flying Saucers: A Scientific Examination of a Major Myth of the Space Age.
Chicago Style (17. basım) AtıfBoyd, Lyle Gifford. The World of Flying Saucers: A Scientific Examination of a Major Myth of the Space Age.
MLA (9th ed.) AtıfBoyd, Lyle Gifford. The World of Flying Saucers: A Scientific Examination of a Major Myth of the Space Age.
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