Citazione APA

Varian,Hal R, & Farrell,Joseph. (2004). The economics of information technology: An introduction. Cambridge University Press.

Stile di citazione Chicago

Varian,Hal R, e Farrell,Joseph. The Economics of Information Technology: An Introduction. New York: Cambridge University Press, 2004.

Citazione MLA

Varian,Hal R, e Farrell,Joseph. The Economics of Information Technology: An Introduction. Cambridge University Press, 2004.