Gaya APA

Dale Carnegie & Associates, Inc.. (2012). How to Win Friends and Influence People in the Digital Age . : PT. Gramedia Pustaka Utama.

Gaya Chicago

Dale Carnegie & Associates, Inc.. How to Win Friends and Influence People in the Digital Age. : PT. Gramedia Pustaka Utama, 2012. Text.

Gaya MLA

Dale Carnegie & Associates, Inc.. How to Win Friends and Influence People in the Digital Age. : PT. Gramedia Pustaka Utama, 2012. Text.

Gaya Turabian

Dale Carnegie & Associates, Inc.. How to Win Friends and Influence People in the Digital Age. : PT. Gramedia Pustaka Utama, 2012. Print.