Lallana, E. C., Quimbo, R. N. S., & Salazar, L. C. (1999). Business @Philippines.com: Electronic commerce policy issues in the Philippines. Carlos P. Romulo Foundation for Peace and Development.
Lua i Stíl Chicago (17ú heag.)Lallana, Emmanuel C., Rodolfo Noel S. Quimbo, agus Lorraine C. Salazar. Business @Philippines.com: Electronic Commerce Policy Issues in the Philippines. [Makati City]: Carlos P. Romulo Foundation for Peace and Development, 1999.
Lua MLA (9ú heag.)Lallana, Emmanuel C., et al. Business @Philippines.com: Electronic Commerce Policy Issues in the Philippines. Carlos P. Romulo Foundation for Peace and Development, 1999.
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