Bird, R. M., & Oldman, O. (1964). Readings on taxation in developing countries. Johns Hopkins Press.
Παραπομπή σε μορφή Chicago (17η εκδ.)Bird, Richard M., και Oliver Oldman. Readings on Taxation in Developing Countries. Baltimore: Johns Hopkins Press, 1964.
Παραπομπή σε μορφή MLA (9th εκδ.)Bird, Richard M., και Oliver Oldman. Readings on Taxation in Developing Countries. Johns Hopkins Press, 1964.