Carnegie, D. (1990). How to develop self-confidence and influence people by public speaking. Cedar.
Citación estilo ChicagoCarnegie, Dale. How to Develop Self-confidence and Influence People by Public Speaking. London: Cedar, 1990.
Cita MLACarnegie, Dale. How to Develop Self-confidence and Influence People by Public Speaking. Cedar, 1990.
Warning: These citations may not always be 100% accurate.