Talavera, C. 2021: A challenging year for agriculture. The Philippine Star.
芝加哥风格引文Talavera, Catherine. "2021: A Challenging Year for Agriculture." The Philippine Star .
MLA引文Talavera, Catherine. "2021: A Challenging Year for Agriculture." The Philippine Star, .
警告：这些引文格式不一定是100％准确.