Carnegie, D. (1940). How to win friend and influences people (6ª ed.). Pocket Books.
Chicago-čujuhus (17. p.)Carnegie, Dale. How to Win Friend and Influences People. 6ª ed. Pocket Books, 1940.
MLA-čujuhus (9. p.)Carnegie, Dale. How to Win Friend and Influences People. 6ª ed. Pocket Books, 1940.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.