Gaya APA

Associates, D, C, &., Krisnarini, N. (2012). How to win friends & influence people in the digital age (Cet. 40). Jakarta: Gramedia Pustaka Utama.

Gaya MLA

Associates, Dale, Carnegie, &., Krisnarini, Nengah. "How to win friends & influence people in the digital age". Cet. 40 Jakarta: Gramedia Pustaka Utama, 2012. Text.