Varela, M. B. (2000). PCCI and the economic paradigm shift IN Follow-thru [column]. City Life.
芝加哥风格引文Varela, Miguel B. "PCCI and the Economic Paradigm Shift IN Follow-thru [column]." City Life 2000.
MLA引文Varela, Miguel B. "PCCI and the Economic Paradigm Shift IN Follow-thru [column]." City Life, 2000.
警告：这些引文格式不一定是100％准确.