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引文Casanova, Sheryll. "Cellular Service Providers Nix Proposed Phone Card Tax Scheme." Manila Times, 2002.
警告:這些引文格式不一定是100%准確.