Dyfyniad APA

M J T. Norman. (1984). The ecology of tropical food crops. London: Cambridge Univ. Press.

Dyfyniad Arddull Chicago

M J T. Norman. The Ecology of Tropical Food Crops. London: Cambridge Univ. Press, 1984.

Dyfyniad MLA

M J T. Norman. The Ecology of Tropical Food Crops. London: Cambridge Univ. Press, 1984.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.