Bell, A. H. (2008). Butterflies Be Gone: A Hand on Aprroach to Sweat - Proof Public Speaking. McGraw Hill.
シカゴスタイル引用形Bell, Arthur H. Butterflies Be Gone: A Hand On Aprroach to Sweat - Proof Public Speaking. McGraw Hill, 2008.
MLA引用形式Bell, Arthur H. Butterflies Be Gone: A Hand On Aprroach to Sweat - Proof Public Speaking. McGraw Hill, 2008.
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