Cain, S. (2012). Quiet: The power of introverts in a world that can't stop speaking. Center Point Pub.
Chicago-Zitierstil (17. Ausg.)Cain, Susan. Quiet: The Power of Introverts in a World That Can't Stop Speaking. Thorndike: Center Point Pub, 2012.
MLA-Zitierstil (9. Ausg.)Cain, Susan. Quiet: The Power of Introverts in a World That Can't Stop Speaking. Center Point Pub, 2012.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.