Carnegie, D. (2021). How to Win friends and Influence People. Penguin Books.
Lua i Stíl Chicago (17ú heag.)Carnegie, Dale. How to Win Friends and Influence People. Gurugram: Penguin Books, 2021.
Lua MLA (9ú heag.)Carnegie, Dale. How to Win Friends and Influence People. Penguin Books, 2021.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.