Michael John Thornley Norman. (1995). The ecology of tropical food crops. Cambridge, New York: Cambridge Univ. Press.
Čikaški stil citiranjaMichael John Thornley Norman. The Ecology of Tropical Food Crops. Cambridge, New York: Cambridge Univ. Press, 1995.
MLA način citiranjaMichael John Thornley Norman. The Ecology of Tropical Food Crops. Cambridge, New York: Cambridge Univ. Press, 1995.
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