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