Gaya APA

Carnegie, D., Krisnarini, N. (2012). How to win friends and influence people in the digital age . Jakarta: PT. Gramedia Pustaka Utama.

Gaya MLA

Carnegie, Dale., Krisnarini, Nengah. "How to win friends and influence people in the digital age". Jakarta: PT. Gramedia Pustaka Utama, 2012. Text.