Singh, M. M. (1967). Life in north eastern India in pre-mauryan times.
Chicago Edition CitationSingh, Madan Mohan. Life in North Eastern India in Pre-mauryan Times. 1967.
MLA引文Singh, Madan Mohan. Life in North Eastern India in Pre-mauryan Times. 1967.
警告：這些引文格式不一定是100％准確.