How to win friends and influence people

Carnegie, D. (1981). How to win friends and influence people: updated for the next generation of leaders. Gallery Books. 

Dale Carnegie’s rock-solid, time-tested advice has carried countless people up the ladder of success in their business and personal lives. 

Los consejos sólidos y probados de Dale Carnegie han llevado a innumerables personas a la escalera del éxito en sus negocios y en su vida personal.