Jonas, J. R. (2009). Marketing using user-generated content in the Philippines. College of Business Administration, University of the Philippines.
Lua i Stíl Chicago (17ú heag.)Jonas, James Ryan. Marketing Using User-generated Content in the Philippines. Quezon City: College of Business Administration, University of the Philippines, 2009.
Lua MLA (9ú heag.)Jonas, James Ryan. Marketing Using User-generated Content in the Philippines. College of Business Administration, University of the Philippines, 2009.
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