Gittinger, J. P. (1972). Economic analysis of agricultural projects. The Johns Hopkins University Press.
Cita Chicago (17th ed.)Gittinger, J. Price. Economic Analysis of Agricultural Projects. Baltimore: The Johns Hopkins University Press, 1972.
Cita MLA (9th ed.)Gittinger, J. Price. Economic Analysis of Agricultural Projects. The Johns Hopkins University Press, 1972.
Atenció: Aquestes cites poden no estar 100% correctes.