India. Director of Census Operations, Bihar, & Das, B. L. (1972). District census handbook: Series 4: Bihar.
Chicago Style (17th ed.) CitationIndia. Director of Census Operations, Bihar, and B. L. Das. District Census Handbook: Series 4: Bihar. [Patna], 1972.
MLA引文India. Director of Census Operations, Bihar, and B. L. Das. District Census Handbook: Series 4: Bihar. 1972.
警告:这些引文格式不一定是100%准确.