Gaya APA
GLadwell, M.
(2009).
Quthliers Malcom Gladwell
.
Jakarta:
PT. Gramedia Pustaka Utama.
Gaya MLA
GLadwell, Malcom.
"Quthliers Malcom Gladwell".
Jakarta:
PT. Gramedia Pustaka Utama,
2009.
Text.