APA
(1968). Report of the study group for coal. Delhi: Delhi, National Commiccion On Labour.
Chicago
1968. Report of the study group for coal. Delhi: Delhi, National Commiccion On Labour.
Harvard
(1968). Report of the study group for coal. Delhi: Delhi, National Commiccion On Labour.
MLA
Report of the study group for coal. Delhi: Delhi, National Commiccion On Labour. 1968.