APA
Varian H. R., Shapio Carl & Farrell Joseph. (2004). The economics of information technology: An introduction. Cambridge: Cambridge Uni Pr.
Chicago
Varian Hal R, Shapio Carl and Farrell Joseph. 2004. The economics of information technology: An introduction. Cambridge: Cambridge Uni Pr.
Harvard
Varian H. R., Shapio Carl and Farrell Joseph. (2004). The economics of information technology: An introduction. Cambridge: Cambridge Uni Pr.
MLA
Varian Hal R, Shapio Carl and Farrell Joseph. The economics of information technology: An introduction. Cambridge: Cambridge Uni Pr. 2004.
TextSeries: Raffale Mattioli lecture seriesPublication details: Cambridge Cambridge Uni Pr 2004ISBN: 
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