WEIR, C. (1977). XERTICAL ASCEN ADVENTURES OF HELICOPTER PILOT. HARCOURT BRACE.
Chicagoスタイル(17版)引用形式WEIR, CHARLES. XERTICAL ASCEN ADVENTURES OF HELICOPTER PILOT. CANADA: HARCOURT BRACE, 1977.
MLA(9版)引用形式WEIR, CHARLES. XERTICAL ASCEN ADVENTURES OF HELICOPTER PILOT. HARCOURT BRACE, 1977.
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