Citazione Stile APA (7a Edizione)

Gittinger, J. P. (1972). Economic analysis of agricultural projects. Johns Hopkins University Press.

Citazione stile Chigago Style (17a edizione)

Gittinger, J. Price. Economic Analysis of Agricultural Projects. Baltimore: Johns Hopkins University Press, 1972.

Citatione MLA (9a ed.)

Gittinger, J. Price. Economic Analysis of Agricultural Projects. Johns Hopkins University Press, 1972.