Gaya APA
CARNEGIE, D. (2014).
How to win friends and Influence people in the digital age (ed. 7).
Jakarta:
Gramedia Pustaka.
Gaya MLA
CARNEGIE, Dale.
"How to win friends and Influence people in the digital age".
ed. 7
Jakarta:
Gramedia Pustaka,
2014.
Buku.