Gittinger, J. P. (1972). Economic analysis of agricultural projects. Johns Hopkins University Press.
芝加哥风格引文Gittinger, James Price. Economic Analysis of Agricultural Projects. Baltimore: Johns Hopkins University Press, 1972.
MLA引文Gittinger, James Price. Economic Analysis of Agricultural Projects. Johns Hopkins University Press, 1972.
警告：这些引文格式不一定是100％准确.