Liao, J. IT spending to hit 3.4 trillion [dollars] in 2008 - Gartner. Manila bulletin.
芝加哥风格引文Liao, Jerry. "IT Spending to Hit 3.4 Trillion [dollars] in 2008 - Gartner." Manila Bulletin .
MLA引文Liao, Jerry. "IT Spending to Hit 3.4 Trillion [dollars] in 2008 - Gartner." Manila Bulletin, .
警告：这些引文格式不一定是100％准确.