Laudato, S. G. (2007). Hardship of a call center job bared. Manila Bulletin.
芝加哥风格引文Laudato, Sheryl G. "Hardship of a Call Center Job Bared." Manila Bulletin 2007.
MLA引文Laudato, Sheryl G. "Hardship of a Call Center Job Bared." Manila Bulletin, 2007.
警告：这些引文格式不一定是100％准确.