Παραπομπή σε μορφή APA (7η εκδ.)

Abrenica, J. V. M. (1998). Technical convergence and competition: The telecommunications industry. IDE-UPSE symposium-workshop.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Abrenica, Joy V. Ma. Technical Convergence and Competition: The Telecommunications Industry. Mandaluyong City: IDE-UPSE symposium-workshop, 1998.

Παραπομπή σε μορφή MLA (9th εκδ.)

Abrenica, Joy V. Ma. Technical Convergence and Competition: The Telecommunications Industry. IDE-UPSE symposium-workshop, 1998.