Khan, I. (1985). Suitability of teaching Eng. thro` coresspondence. Ashish.
芝加哥风格引文Khan, Inayat. Suitability of Teaching Eng. Thro` Coresspondence. New Delhi: Ashish, 1985.
MLA引文Khan, Inayat. Suitability of Teaching Eng. Thro` Coresspondence. Ashish, 1985.
警告：这些引文格式不一定是100％准确.