Não informado. Progress Report of the Land Resources Division. Ministry of Overseas Development.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. Progress Report of the Land Resources Division. Surbiton, Inglaterra: Ministry of Overseas Development.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. Progress Report of the Land Resources Division. Ministry of Overseas Development.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.