Παραπομπή σε μορφή APA (7η εκδ.)

Ahmad, E., & Stern, N. H. (1991). The theory and practice of tax reform in developing countries. Cambridge University Press.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Ahmad, Ehtisham, και N. H. Stern. The Theory and Practice of Tax Reform in Developing Countries. Cambridge, England: Cambridge University Press, 1991.

Παραπομπή σε μορφή MLA (9th εκδ.)

Ahmad, Ehtisham, και N. H. Stern. The Theory and Practice of Tax Reform in Developing Countries. Cambridge University Press, 1991.