CASTLE DENNIS. (1980). PUBLIC SPEAKING. MIDDLESEX UNIVERSITY TEACHING MATERIALS.
Chicagoスタイル(17版)引用形式CASTLE DENNIS. PUBLIC SPEAKING. STOUGHTON: MIDDLESEX UNIVERSITY TEACHING MATERIALS, 1980.
MLA(9版)引用形式CASTLE DENNIS. PUBLIC SPEAKING. MIDDLESEX UNIVERSITY TEACHING MATERIALS, 1980.
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