Casanova, S. (2002). Cellular service providers nix proposed phone card tax scheme. Manila Times.
Chicago Style (17th ed.) CitationCasanova, Sheryll. "Cellular Service Providers Nix Proposed Phone Card Tax Scheme." Manila Times 2002.
MLA citiranjeCasanova, Sheryll. "Cellular Service Providers Nix Proposed Phone Card Tax Scheme." Manila Times, 2002.
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