Gaya APA

Brigitte, P., Wasil, S, R, B, G, E. (2009). Telecommunication Markets . Germany: Physica-Verlag.

Gaya MLA

Brigitte, Preisal., Wasil, S., Raghavan,, Bruce, Golden,, Edward. "Telecommunication Markets". Germany: Physica-Verlag, 2009. Text.