Rao, B. S. R., Murthy, I. V. R., & Visweswara Rao, C. (1974). Gravity interpretation by characteristic curves. Andhra University Press.
芝加哥风格引文Rao, B. S. Rama, I. V. R. Murthy, 与 C. Visweswara Rao. Gravity Interpretation by Characteristic Curves. Waltair [India]: Andhra University Press, 1974.
MLA引文Rao, B. S. Rama, et al. Gravity Interpretation by Characteristic Curves. Andhra University Press, 1974.
警告：这些引文格式不一定是100％准确.