Cita APA

Wellenius, B. (2004). Competition in international voice communications. Washington, D.C.: The World Bank.

Citación estilo Chicago

Wellenius, Bjorn. Competition in International Voice Communications. Washington, D.C.: The World Bank, 2004.

Cita MLA

Wellenius, Bjorn. Competition in International Voice Communications. Washington, D.C.: The World Bank, 2004.

Precaución: Estas citas no son 100% exactas.