Sarkar Samim & Kar Sutapa. (2021). General Science& Science And Technology Theory and Questions For UPSC,SPSC,CGL other (1st.). Mc Grow Hill Education (India).
芝加哥风格引文Sarkar Samim 与 Kar Sutapa. General Science& Science And Technology Theory and Questions For UPSC,SPSC,CGL Other. 1st. New Delhi: Mc Grow Hill Education (India), 2021.
MLA引文Sarkar Samim 与 Kar Sutapa. General Science& Science And Technology Theory and Questions For UPSC,SPSC,CGL Other. 1st. Mc Grow Hill Education (India), 2021.
警告：这些引文格式不一定是100％准确.