Jain, R. (2019). Mechanical Engineering for Competitions (31st.). Khanna Publisher.
芝加哥风格引文Jain, R.K. Mechanical Engineering for Competitions. 31st. New Delhi: Khanna Publisher, 2019.
MLA引文Jain, R.K. Mechanical Engineering for Competitions. 31st. Khanna Publisher, 2019.
警告：这些引文格式不一定是100％准确.