Gaya APA

Cain, S. (2013). Quiet: The Power of Introverts in a World That Can't Stop Talking . : Penguin Books.

Gaya MLA

Cain, Susan. "Quiet: The Power of Introverts in a World That Can't Stop Talking". : Penguin Books, 2013. GEN - Bacaan/Seri Non-Fiksi.