Gaya APA

Tough, P. (2012). How children succeed : grif,curiocity, and the hidden power of chacacter (1st edition). New York :: Hougthor Milin Harcourt.

Gaya MLA

Tough, Paul. "How children succeed : grif,curiocity, and the hidden power of chacacter". 1st edition New York :: Hougthor Milin Harcourt, 2012. Text.