Gaya APA
Gladwell, M. (2013).
David & Goliath : Underdogs, Misfits and the Art of Battling Giants .
London:
Penguin Books.
Gaya MLA
Gladwell, Malcolm.
"David & Goliath : Underdogs, Misfits and the Art of Battling Giants".
London:
Penguin Books,
2013.
TEXT.