卡内基 & 良石. (2010). 语言的突破: The Quick and Easy Way to Effective Speaking. 内蒙古科学技术出版社.
Chicago Style (17th ed.) Citation卡内基 i 良石. 语言的突破: The Quick and Easy Way to Effective Speaking. 内蒙古科学技术出版社, 2010.
Cita MLA卡内基 i 良石. 语言的突破: The Quick and Easy Way to Effective Speaking. 内蒙古科学技术出版社, 2010.
Atenció: Aquestes cites poden no estar 100% correctes.