Cita APA (7a ed.)

Grau Ruiz, M. A. (2003). Mutual assistance for the recovery of tax claims. Kluwer Law International.

Cita Chicago Style (17a ed.)

Grau Ruiz, María Amparo. Mutual Assistance for the Recovery of Tax Claims. The Hague: Kluwer Law International, 2003.

Cita MLA (9a ed.)

Grau Ruiz, María Amparo. Mutual Assistance for the Recovery of Tax Claims. Kluwer Law International, 2003.