APA
India Labour (National Commission on-). Coal (Study group for_) (Chairman: Chhedi Lal), India Labour (National Commission on-). Coal (Study group for_) (Chairman: Chhedi Lal), .Report. Delhi: Manager of Publications India.
Chicago
India Labour (National Commission on-). Coal (Study group for_) (Chairman: Chhedi Lal), India Labour (National Commission on-). Coal (Study group for_) (Chairman: Chhedi Lal), .Report. Delhi: Manager of Publications India.
Harvard
India Labour (National Commission on-). Coal (Study group for_) (Chairman: Chhedi Lal), India Labour (National Commission on-). Coal (Study group for_) (Chairman: Chhedi Lal), .Report. Delhi: Manager of Publications India.
MLA
India Labour (National Commission on-). Coal (Study group for_) (Chairman: Chhedi Lal), India Labour (National Commission on-). Coal (Study group for_) (Chairman: Chhedi Lal), .Delhi: Manager of Publications India. .