Citazione APA

Dale Carnegie. (2011). How to Win Friends and Influence People in the Digital Age. London.

Stile di citazione Chicago

Dale Carnegie. How to Win Friends and Influence People in the Digital Age. London, 2011.

Citazione MLA

Dale Carnegie. How to Win Friends and Influence People in the Digital Age. London, 2011.

Attenzione: Queste citazioni potrebbero non essere precise al 100%.