Cita APA (7th ed.)

Madden, G., & Cooper, R. (2009). The economics of digital markets. Edward Elgar.

Cita Chicago (17th ed.)

Madden, Gary, i Russel Cooper. The Economics of Digital Markets. Cheltenham, UK: Edward Elgar, 2009.

Cita MLA (9th ed.)

Madden, Gary, i Russel Cooper. The Economics of Digital Markets. Edward Elgar, 2009.