Gittinger, J. P. (1982). Economic analysis of agricultural projects. Johns Hopkins University Pr.; Washington.
Cita Chicago (17th ed.)Gittinger, J. Price. Economic Analysis of Agricultural Projects. Baltimore: Johns Hopkins University Pr.; Washington, 1982.
Cita MLA (9th ed.)Gittinger, J. Price. Economic Analysis of Agricultural Projects. Johns Hopkins University Pr.; Washington, 1982.
Atenció: Aquestes cites poden no estar 100% correctes.