Gaya APA

Carnigie, D., Alfa, D, ., M, ., J. (2012). HOW TO WIN FRIENDS & INFLUNCE PEOPLE : IN THE DIGITAL AGE . JAKARTA: PT GRAMEDIA PUSTAKA UTAMA.

Gaya MLA

Carnigie, Dale., Alfa, Drs, ., M, ., Januar. "HOW TO WIN FRIENDS & INFLUNCE PEOPLE : IN THE DIGITAL AGE". JAKARTA: PT GRAMEDIA PUSTAKA UTAMA, 2012. Text.