Citazione Stile APA (7a Edizione)

Gittinger, J. P. (1982). Economic analysis of agricultural projects. Johns Hopkins University Pr.; Washington.

Citazione stile Chigago Style (17a edizione)

Gittinger, J. Price. Economic Analysis of Agricultural Projects. Baltimore: Johns Hopkins University Pr.; Washington, 1982.

Citatione MLA (9a ed.)

Gittinger, J. Price. Economic Analysis of Agricultural Projects. Johns Hopkins University Pr.; Washington, 1982.