Gaya APA
CARNEGIE, D. (2011).
HOW TO WIN FRIENDS & INFLUENCE PEOPLE IN THE DIGITAL AGE .
Jakarta:
PT Gramedia Pustaka Utama.
Gaya MLA
CARNEGIE, DALE.
"HOW TO WIN FRIENDS & INFLUENCE PEOPLE IN THE DIGITAL AGE".
Jakarta:
PT Gramedia Pustaka Utama,
2011.
Text.