Lucas, S. (2015). The art of public speaking (Twelfth edition.). McGraw-Hill Education.
Chicagoスタイル(17版)引用形式Lucas, Stephen. The Art of Public Speaking. Twelfth edition. New York, NY: McGraw-Hill Education, 2015.
MLA(9版)引用形式Lucas, Stephen. The Art of Public Speaking. Twelfth edition. McGraw-Hill Education, 2015.
警告: この引用は必ずしも正確ではありません.