National Research Council (U.S.). Committee on the Telecommunications Challenge: Changing Technologies and Evolving Policies, ebrary, Inc, & Wessner, C. W. (2006). The telecommunications challenge: Changing technologies and evolving policies : measuring and sustaining the new economy : report of a symposium. The National Academies Press.
Chicago-viite (17. p.)National Research Council (U.S.). Committee on the Telecommunications Challenge: Changing Technologies and Evolving Policies, Inc ebrary, ja Charles W. Wessner. The Telecommunications Challenge: Changing Technologies and Evolving Policies : Measuring and Sustaining the New Economy : Report of a Symposium. Washington, D.C.: The National Academies Press, 2006.
MLA-viite (9. p.)National Research Council (U.S.). Committee on the Telecommunications Challenge: Changing Technologies and Evolving Policies, et al. The Telecommunications Challenge: Changing Technologies and Evolving Policies : Measuring and Sustaining the New Economy : Report of a Symposium. The National Academies Press, 2006.