Gaya APA
Carnegie, D. (2012).
How to win friends & influence people in the digital age (cet. 40).
Jakarta:
Gramedia Pustaka Utama.
Gaya MLA
Carnegie, Dale.
"How to win friends & influence people in the digital age".
cet. 40
Jakarta:
Gramedia Pustaka Utama,
2012.
Text.