De Guzman, R., & Perez, A. (1998). PAL pilots go on strike. Manila Bulletin.
芝加哥风格引文De Guzman, R.C, 与 Anjo Perez. "PAL Pilots Go on Strike." Manila Bulletin 1998.
MLA引文De Guzman, R.C, 与 Anjo Perez. "PAL Pilots Go on Strike." Manila Bulletin, 1998.
警告：这些引文格式不一定是100％准确.