Pan, Hui, ed. (2004 թ․ հոկտեմբեր). «Vonage and Cisco to sell phone equipment». VoIP Monthly Newsletter. Information Gatekeepers Inc. 2 (10): 3. Վերցված է 2011 թ․ դեկտեմբերի 15-ին. «APEJ (Asia-Pacific Excluding Japan) and EEMEA (Eastern Europe, Middle East, and Africa) will grow their combined share of this figure from 17 percent to 22 percent during the same period, as North America's share adjusts from 53 percent to 46 percent.»
World Bank. (2024). Firm Foundations of Growth: East Asia and the Pacific Economic Update April 2024. Retrieved April 11, 2024, from https://doi.org/10.1596/978-1-4648-2102-8
