Cita APA (7a ed.)

Joumard, I., & Varoudakis, A. (2000). Options for reforming the Spanish tax system. Organisation for Economic Co-Operation and Development.

Cita Chicago Style (17a ed.)

Joumard, Isabelle, y Aristomène Varoudakis. Options for Reforming the Spanish Tax System. Paris: Organisation for Economic Co-Operation and Development, 2000.

Cita MLA (9a ed.)

Joumard, Isabelle, y Aristomène Varoudakis. Options for Reforming the Spanish Tax System. Organisation for Economic Co-Operation and Development, 2000.