APA
India G. o. . E. a. T. (. o. )., India G. o. . E. a. T. (. o. )., . (1958). National classification of occupations. Delhi: Manager of Publications India.
Chicago
India Government of Employment and Training (Department of ), India Government of Employment and Training (Department of ), . 1958. National classification of occupations. Delhi: Manager of Publications India.
Harvard
India G. o. . E. a. T. (. o. )., India G. o. . E. a. T. (. o. )., . (1958). National classification of occupations. Delhi: Manager of Publications India.
MLA
India Government of Employment and Training (Department of ), India Government of Employment and Training (Department of ), . National classification of occupations. Delhi: Manager of Publications India. 1958.
