Combs, P. (2018). Worst enemy best teacher. jaico publisihing house.
芝加哥风格引文Combs, Peidre. Worst Enemy Best Teacher. Mumbai: jaico publisihing house, 2018.
MLA引文Combs, Peidre. Worst Enemy Best Teacher. jaico publisihing house, 2018.
警告：这些引文格式不一定是100％准确.