Cita APA

Noumba Um, P. (2004). A model for calculating interconnection costs in telecommunications. PPIAF.

Citación estilo Chicago

Noumba Um, Paul. A Model for Calculating Interconnection Costs in Telecommunications. Washington, D.C ; s.l: PPIAF, 2004.

Cita MLA

Noumba Um, Paul. A Model for Calculating Interconnection Costs in Telecommunications. PPIAF, 2004.