Ramana B.V. (2019). Higher Engineering Mathematics. Mc Graw Hill Education(India)Private Limited.
芝加哥风格引文Ramana B.V. Higher Engineering Mathematics. Chennai: Mc Graw Hill Education(India)Private Limited, 2019.
MLA引文Ramana B.V. Higher Engineering Mathematics. Mc Graw Hill Education(India)Private Limited, 2019.
警告：这些引文格式不一定是100％准确.