Grewal, B. (2021). Higher Engineering Mathematics (44th.). Khanna Publisher.
芝加哥风格引文Grewal, B.S. Higher Engineering Mathematics. 44th. New Delhi: Khanna Publisher, 2021.
MLA引文Grewal, B.S. Higher Engineering Mathematics. 44th. Khanna Publisher, 2021.
警告：这些引文格式不一定是100％准确.