APA-viite (7. p.)
Gittinger, J. P. (1972). Economic analysis of agricultural projects. Johns Hopkins University Press.
Chicago-viite (17. p.)
Gittinger, J. Price. Economic Analysis of Agricultural Projects. Baltimore: Johns Hopkins University Press, 1972.
MLA-viite (9. p.)
Gittinger, J. Price. Economic Analysis of Agricultural Projects. Johns Hopkins University Press, 1972.
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