Lua APA (7ú heag.)

De Serres, Y. Value-added services in the converged network. IEEE Communications magazine.

Lua i Stíl Chicago (17ú heag.)

De Serres, Y. "Value-added Services in the Converged Network." IEEE Communications Magazine .

Lua MLA (9ú heag.)

De Serres, Y. "Value-added Services in the Converged Network." IEEE Communications Magazine, .

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