Maches, D. J. M. (2022). Sagada farmer champions sustainable coffee. Agriculture.
芝加哥风格引文Maches, Daniel Jason M. "Sagada Farmer Champions Sustainable Coffee." Agriculture 2022.
MLA引文Maches, Daniel Jason M. "Sagada Farmer Champions Sustainable Coffee." Agriculture, 2022.
警告：这些引文格式不一定是100％准确.