Gaya APA
Duhigg, C. (2014).
The power of habit; why we do what we do in life and business (Ed.1).
United States of Amerika:
Random House.
Gaya MLA
Duhigg, Charles.
"The power of habit; why we do what we do in life and business".
Ed.1
United States of Amerika:
Random House,
2014.
BI Corner.