Singer, M. (2006). Guidelines for Communication: The Right Tool for Preparing Great Speeches. Michigan: Punim.
Παραπομπή Chicago StyleSinger, Mark. Guidelines for Communication: The Right Tool for Preparing Great Speeches. Michigan: Punim, 2006.
Παραπομπή MLASinger, Mark. Guidelines for Communication: The Right Tool for Preparing Great Speeches. Michigan: Punim, 2006.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.