Carnegie ,Dale. (2003). How to develop self- confidence and influence people by public speakinng. Sulabh Publications.
Παραπομπή Chicago StyleCarnegie ,Dale. How to Develop Self- Confidence and Influence People by Public Speakinng. Agra: Sulabh Publications, 2003.
Παραπομπή MLACarnegie ,Dale. How to Develop Self- Confidence and Influence People by Public Speakinng. Sulabh Publications, 2003.
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