Klein, M. (1996). Competition in network industries. World Bank, Private Sector Development Department.
Cita Chicago (17th ed.)Klein, Michael. Competition in Network Industries. Washington, D.C: World Bank, Private Sector Development Department, 1996.
Cita MLA (9th ed.)Klein, Michael. Competition in Network Industries. World Bank, Private Sector Development Department, 1996.
Atenció: Aquestes cites poden no estar 100% correctes.