Ferrazzi, K. (2005). Never eat alone and other secrets to success: One relationship at a time (First edition.). Currency Doubleday.

Ferrazzi, Keith. Never Eat Alone and Other Secrets to Success: One Relationship at a Time. First edition. New York: Currency Doubleday, 2005.

Ferrazzi, Keith. Never Eat Alone and Other Secrets to Success: One Relationship at a Time. First edition. Currency Doubleday, 2005.