卡内基 & 李会丹. (2011). 跟卡耐基学口才: Quick and easy way to effective speaking. 印刷工业出版社.
Chicago Style (17th ed.) Citation卡内基 and 李会丹. 跟卡耐基学口才: Quick and Easy Way to Effective Speaking. 印刷工业出版社, 2011.
MLA citiranje卡内基 and 李会丹. 跟卡耐基学口才: Quick and Easy Way to Effective Speaking. 印刷工业出版社, 2011.
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