Gaya APA

Carnegie, D., ASSOCIATES, . (2015). HOW TO WIN FRIENDS & INFLUENCE PEOPLE IN THE DIGITAL AGE (Cet 12). : PT GRAMEDIA PUSTAKA UTAMA.

Gaya MLA

Carnegie, Dale., ASSOCIATES, . "HOW TO WIN FRIENDS & INFLUENCE PEOPLE IN THE DIGITAL AGE". Cet 12 : PT GRAMEDIA PUSTAKA UTAMA, 2015. Text.