APA
India. Planning Commission. Scientific and Technical Manpower Division, . (1957). A Preliminary study of the pattern of engineering employment in manufacturing industry in India. New Delhi: The Author.
Chicago
India. Planning Commission. Scientific and Technical Manpower Division, . 1957. A Preliminary study of the pattern of engineering employment in manufacturing industry in India. New Delhi: The Author.
Harvard
India. Planning Commission. Scientific and Technical Manpower Division, . (1957). A Preliminary study of the pattern of engineering employment in manufacturing industry in India. New Delhi: The Author.
MLA
India. Planning Commission. Scientific and Technical Manpower Division, . A Preliminary study of the pattern of engineering employment in manufacturing industry in India. New Delhi: The Author. 1957.