Cita APA (7a ed.)
de Barros Carvalho, P. (2016). The principle of legal certainty in tax matters.
Cita Chicago Style (17a ed.)
de Barros Carvalho, Paulo. The Principle of Legal Certainty in Tax Matters. 2016.
Cita MLA (9a ed.)
de Barros Carvalho, Paulo. The Principle of Legal Certainty in Tax Matters. 2016.
Precaución: Estas citas no son 100% exactas.