Gaya APA
Hal Varian,Joseph Farrell and Carl Shapiro. (2004).
The Economics Of Information Technology .
New York:
HAL VARIAN, JOSPH FARREL.
Gaya Chicago
Hal Varian,Joseph Farrell and Carl Shapiro.
The Economics Of Information Technology.
New York:
HAL VARIAN, JOSPH FARREL,
2004.
Text.
Gaya MLA
Hal Varian,Joseph Farrell and Carl Shapiro.
The Economics Of Information Technology.
New York:
HAL VARIAN, JOSPH FARREL,
2004.
Text.
Gaya Turabian
Hal Varian,Joseph Farrell and Carl Shapiro.
The Economics Of Information Technology.
New York:
HAL VARIAN, JOSPH FARREL,
2004.
Print.