Gaya APA
Duhigg, C. (2014).
The Power of Habit: Why We Do What We Do in Life and Business (Frist Edition).
new york:
Random House Trade Paperback.
Gaya MLA
Duhigg, Charles.
"The Power of Habit: Why We Do What We Do in Life and Business".
Frist Edition
new york:
Random House Trade Paperback,
2014.
Text.