Gaya APA
The wisdom of crowds. (2007).
Jakarta:
Dian Rakyat.
Gaya Chicago
The wisdom of crowds.
.
Jakarta:
Dian Rakyat,
2007.
Text.
Gaya MLA
The wisdom of crowds.
.
Jakarta:
Dian Rakyat,
2007.
Text.
Gaya Turabian
The wisdom of crowds.
Jakarta:
Dian Rakyat,
2007.
Print.