Gaya APA

Gladwell, M. (2014). David & Goliath : Underdog, Misfits and The Art Of Battling Giants . NEW YORK: backbay books.

Gaya MLA

Gladwell, Malcolm. "David & Goliath : Underdog, Misfits and The Art Of Battling Giants". NEW YORK: backbay books, 2014. Text.