Não informado. (1965). Economic Planning: Journal for agriculture and related industries. Academic Publishing.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. Economic Planning: Journal for Agriculture and Related Industries. Montreal, Canada: Academic Publishing, 1965.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. Economic Planning: Journal for Agriculture and Related Industries. Academic Publishing, 1965.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.