M J T. Norman. (1984). The ecology of tropical food crops. London: Cambridge Univ. Press.
Trích dẫn kiểu ChicagoM J T. Norman. The Ecology of Tropical Food Crops. London: Cambridge Univ. Press, 1984.
Deismireacht MLAM J T. Norman. The Ecology of Tropical Food Crops. London: Cambridge Univ. Press, 1984.
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