Παραπομπή σε μορφή APA (7η εκδ.)

Gittinger, J. P. (1982). Economic analysis of agricultural projects (Second edition, completely revised 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. Second edition, completely revised and expanded. Baltimore: Published for the Economic Development Institute of the World Bank [by] Johns Hopkins University Press, 1982.

Παραπομπή σε μορφή MLA (8th εκδ.)

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