iSpeak improve your speech credibility

Bibliografiske detaljer
Main Authors: Nelson, Paul E. (Paul Edward) 1941- (Author), Titsworth, Scott (Author), Pearson, Judy (Author)
Format: Bog
Sprog:English
Udgivet: New York McGraw-Hill Companies, Inc. [2014]
Udgivelse:Fifth edition, 2013 edition.
Fag: