Sadongdong, M. A. (2025). Labor Day peaceful - PNP. Manila Bulletin.
芝加哥风格引文Sadongdong, Martin A. "Labor Day Peaceful - PNP." Manila Bulletin 2025.
MLA引文Sadongdong, Martin A. "Labor Day Peaceful - PNP." Manila Bulletin, 2025.
警告：这些引文格式不一定是100％准确.
APA引文