B S Grewal. (2022). Higher Engineering Mathematics (4th ed.4th ed.). Khanna Publication.
芝加哥风格引文B S Grewal. Higher Engineering Mathematics. 4th ed.4th ed. Delhi: Khanna Publication, 2022.
MLA引文B S Grewal. Higher Engineering Mathematics. 4th ed.4th ed. Khanna Publication, 2022.
警告：这些引文格式不一定是100％准确.