توثيق جمعية علم النفس الأمريكية APA (الطبعة السابعة)

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.

توثيق أسلوب شيكاغو (الطبعة السابعة عشر)

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.

توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)

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.