Não informado. (1965). Rhodesia, Zambia and Malawi journal of agricultural research. Agricultural Research Council of Central Africa.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. Rhodesia, Zambia and Malawi Journal of Agricultural Research. Salisbury, Zimbabwe: Agricultural Research Council of Central Africa, 1965.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. Rhodesia, Zambia and Malawi Journal of Agricultural Research. Agricultural Research Council of Central Africa, 1965.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.