Upton, M. (1996). Economic of Tropical Farming systems. Cambridge University Press.
シカゴスタイル引用形Upton, Martin. Economic of Tropical Farming Systems. Cambridge: Cambridge University Press, 1996.
MLA引用形式Upton, Martin. Economic of Tropical Farming Systems. Cambridge University Press, 1996.
警告: この引用は必ずしも正確ではありません.