APA
INDIA C. I. A. S. (., INDIA C. I. A. S. (., . (1941). Indian coal statistics 1939. Delhi: The Manager of Publications.
Chicago
INDIA COMMERCIAL INTELLIGENCE AND STATISTICS (Deptt.of-), INDIA COMMERCIAL INTELLIGENCE AND STATISTICS (Deptt.of-), . 1941. Indian coal statistics 1939. Delhi: The Manager of Publications.
Harvard
INDIA C. I. A. S. (., INDIA C. I. A. S. (., . (1941). Indian coal statistics 1939. Delhi: The Manager of Publications.
MLA
INDIA COMMERCIAL INTELLIGENCE AND STATISTICS (Deptt.of-), INDIA COMMERCIAL INTELLIGENCE AND STATISTICS (Deptt.of-), . Indian coal statistics 1939. Delhi: The Manager of Publications. 1941.
