Gaya APA

Duhigg, C. (2012). The power of habit: why we do what we do and how to change (Ed.1; Cet.1). London: Great Britain.

Gaya MLA

Duhigg, Charles. "The power of habit: why we do what we do and how to change". Ed.1; Cet.1 London: Great Britain, 2012. Text.