Gaya APA
Gladwell, M.
(2018).
The Tipping Point
(
Cet.10)
.
Jakarta:
PT Gramedia Pustaka Utama.
Gaya MLA
Gladwell, Malcolm.
"The Tipping Point".
Cet.10
Jakarta:
PT Gramedia Pustaka Utama,
2018.
Art Original.