Villegas, B. M. (1989). Even pessimists forecast growth for the country. IN The Positive sum game [column]. Manila Chronicle.
芝加哥风格引文Villegas, Bernardo M. "Even Pessimists Forecast Growth for the Country. IN The Positive Sum Game [column]." Manila Chronicle 1989.
MLA引文Villegas, Bernardo M. "Even Pessimists Forecast Growth for the Country. IN The Positive Sum Game [column]." Manila Chronicle, 1989.
警告：这些引文格式不一定是100％准确.