Guevara,Em P. Google's next billion internet users. IN Business News. Manila Bulletin.
Chicago Style (17th ed.) CitationGuevara,Em P. "Google's Next Billion Internet Users. IN Business News." Manila Bulletin .
MLA引文Guevara,Em P. "Google's Next Billion Internet Users. IN Business News." Manila Bulletin, .
警告:這些引文格式不一定是100%准確.