Bird, R. M., & Oldman, O. (1964). Readings on taxation in developing countries. Johns Hopkins Press.
Lua i Stíl Chicago (17ú heag.)Bird, Richard M., agus Oliver Oldman. Readings on Taxation in Developing Countries. Baltimore: Johns Hopkins Press, 1964.
Lua MLA (9ú heag.)Bird, Richard M., agus Oliver Oldman. Readings on Taxation in Developing Countries. Johns Hopkins Press, 1964.