APA
NATIONAL PRODUCTIVITY COUNCIL INDIA, NATIONAL PRODUCTIVITY COUNCIL INDIA, . (1966). Annual report,1964-66. New Delhi: NPCI.
Chicago
NATIONAL PRODUCTIVITY COUNCIL INDIA, NATIONAL PRODUCTIVITY COUNCIL INDIA, . 1966. Annual report,1964-66. New Delhi: NPCI.
Harvard
NATIONAL PRODUCTIVITY COUNCIL INDIA, NATIONAL PRODUCTIVITY COUNCIL INDIA, . (1966). Annual report,1964-66. New Delhi: NPCI.
MLA
NATIONAL PRODUCTIVITY COUNCIL INDIA, NATIONAL PRODUCTIVITY COUNCIL INDIA, . Annual report,1964-66. New Delhi: NPCI. 1966.
