(1971). Fourth five year plan1968-74: :summary. The Director, Publication Division, Ministry of information and broadcasting, Government of India.
Chicago (17e ed.) BronvermeldingFourth Five Year Plan1968-74: :summary. New Delhi: The Director, Publication Division, Ministry of information and broadcasting, Government of India, 1971.
MLA (9e ed.) BronvermeldingFourth Five Year Plan1968-74: :summary. The Director, Publication Division, Ministry of information and broadcasting, Government of India, 1971.
Let op: Deze citaties zijn niet altijd 100% accuraat.