Cita APA (7a ed.)

Durán Cabré, J. M. (2003). The dual tax as a flat tax with a surtax on labour income. Instituto de Estudios Fiscales.

Cita Chicago Style (17a ed.)

Durán Cabré, José María. The Dual Tax as a Flat Tax with a Surtax on Labour Income. Madrid: Instituto de Estudios Fiscales, 2003.

Cita MLA (9a ed.)

Durán Cabré, José María. The Dual Tax as a Flat Tax with a Surtax on Labour Income. Instituto de Estudios Fiscales, 2003.