ORANGE EDUCATION. (2017). THE ANT AND THE GRASSHOPPER- LEVEL 1. ORANGE EDUCATION.
芝加哥风格引文ORANGE EDUCATION. THE ANT AND THE GRASSHOPPER- LEVEL 1. NEW DELHI: ORANGE EDUCATION, 2017.
MLA引文ORANGE EDUCATION. THE ANT AND THE GRASSHOPPER- LEVEL 1. ORANGE EDUCATION, 2017.
警告：这些引文格式不一定是100％准确.