Domingo, L. C. (2021). Cagayan Cave Art is 3,500 years old. Manila Times.
芝加哥风格引文Domingo, Leander C. "Cagayan Cave Art Is 3,500 Years Old." Manila Times 2021.
MLA引文Domingo, Leander C. "Cagayan Cave Art Is 3,500 Years Old." Manila Times, 2021.
警告：这些引文格式不一定是100％准确.