Abrenica, J. V. M. (1998). Technical convergence and competition: The telecommunications industry. IDE-UPSE symposium-workshop.
Čikaški stil citiranja (17. izdanje)Abrenica, Joy V. Ma. Technical Convergence and Competition: The Telecommunications Industry. Mandaluyong City: IDE-UPSE symposium-workshop, 1998.
MLA način citiranja (9. izdanje)Abrenica, Joy V. Ma. Technical Convergence and Competition: The Telecommunications Industry. IDE-UPSE symposium-workshop, 1998.
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