Da Ros, C. A. (2007). The foundry work politics by Olívio Dutra's government in Rio Grande do Sul-Brazil (1999-2002): Guidelines, political dynamics and achieved results. Centro de Historia Argentina y Americana.
Cita Chicago Style (17a ed.)Da Ros, César Augusto. The Foundry Work Politics by Olívio Dutra's Government in Rio Grande Do Sul-Brazil (1999-2002): Guidelines, Political Dynamics and Achieved Results. Centro de Historia Argentina y Americana, 2007.
Cita MLA (9a ed.)Da Ros, César Augusto. The Foundry Work Politics by Olívio Dutra's Government in Rio Grande Do Sul-Brazil (1999-2002): Guidelines, Political Dynamics and Achieved Results. Centro de Historia Argentina y Americana, 2007.