Παραπομπή σε μορφή APA (7η εκδ.)

Gittinger, J. P. (1982). Economic analysis of agricultural projects (2nd ed., completely rev. and expanded.). Published for the Economic Development Institute of the World Bank [by] Johns Hopkins University Press.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Gittinger, J. Price. Economic Analysis of Agricultural Projects. 2nd ed., completely rev. and expanded. Baltimore: Published for the Economic Development Institute of the World Bank [by] Johns Hopkins University Press, 1982.

Παραπομπή σε μορφή MLA (9th εκδ.)

Gittinger, J. Price. Economic Analysis of Agricultural Projects. 2nd ed., completely rev. and expanded. Published for the Economic Development Institute of the World Bank [by] Johns Hopkins University Press, 1982.