Kumarappa, J. (2017). Economy Of Permanence (08th.). Sarva Seva Sangh Prakashan.
芝加哥风格引文Kumarappa, J.C. Economy Of Permanence. 08th. Rajghat: Sarva Seva Sangh Prakashan, 2017.
MLA引文Kumarappa, J.C. Economy Of Permanence. 08th. Sarva Seva Sangh Prakashan, 2017.
警告：这些引文格式不一定是100％准确.