APA
India G. O. . L. &. E. (. o., India G. O. . L. &. E. (. o., . (1957). Indian coal statistics, 1955-59. : .
Chicago
India Government Of Labour & Employment (Minsitry of-), India Government Of Labour & Employment (Minsitry of-), . 1957. Indian coal statistics, 1955-59. : .
Harvard
India G. O. . L. &. E. (. o., India G. O. . L. &. E. (. o., . (1957). Indian coal statistics, 1955-59. : .
MLA
India Government Of Labour & Employment (Minsitry of-), India Government Of Labour & Employment (Minsitry of-), . Indian coal statistics, 1955-59. : . 1957.
