Commission, I. P. (1970). Fourth Five Year Plan: Revised outlay: 1969-74. The author.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रCommission, India. Planning. Fourth Five Year Plan: Revised Outlay: 1969-74. The author, 1970.
एमएलए (9वां संस्करण) प्रशस्ति पत्रCommission, India. Planning. Fourth Five Year Plan: Revised Outlay: 1969-74. The author, 1970.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.