Michael John Thornley Norman. (1995). The ecology of tropical food crops. Cambridge, New York: Cambridge Univ. Press.
Dyfyniad Arddull ChicagoMichael John Thornley Norman. The Ecology of Tropical Food Crops. Cambridge, New York: Cambridge Univ. Press, 1995.
Dyfyniad MLAMichael John Thornley Norman. The Ecology of Tropical Food Crops. Cambridge, New York: Cambridge Univ. Press, 1995.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.