iSpeak improve your speech credibility

iSpeak improve your speech credibility

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Xehetasun bibliografikoak
Egile Nagusiak: Nelson, Paul E. (Paul Edward) 1941- (Egilea), Titsworth, Scott (Egilea), Pearson, Judy (Egilea)
Formatua: Liburua
Hizkuntza:English
Argitaratua: New York McGraw-Hill Companies, Inc. [2014]
Edizioa:Fifth edition, 2013 edition.
Gaiak:
Public speaking.