Griffin, C. L. (2015). Invitation to public speaking (5e.). Cengage Learning.
Chicagoスタイル(17版)引用形式Griffin, Cindy L. Invitation to Public Speaking. 5e. Stamford, [Connecticut]: Cengage Learning, 2015.
MLA(9版)引用形式Griffin, Cindy L. Invitation to Public Speaking. 5e. Cengage Learning, 2015.
警告: この引用は必ずしも正確ではありません.