1. Amazonian Cooperation Treaty (ACT). (1978). Treaty for Amazonian Cooperation. Accessed September 22, 2016, from http://www.otca.info/portal/admin/_upload/tratado/O_TRATADO_DE_COOPERACAO_AMAZONICA_PT.pdf .
2. Amazonian Cooperation Treaty Organisation. (1995). V Meeting of the Foreign Affairs Ministers (MFAM). Accessed September 22, 2016, from http://otca.pagina-oficial.com/assets/documents/20160704/08db070da2d270af24fe666fdd1f28a0.pdf .
3. Amazonian Cooperation Treaty Organisation. (1998). Protocol of the Amendment of the Treaty of Amazonian Cooperation. Accessed September 22, 2016, from http://otca.pagina-oficial.com/assets/documents/20160704/08db070da2d270af24fe666fdd1f28a0.pdf .
4. Amazonian Cooperation Treaty Organisation. (2000). VI Meeting of the Foreign Affairs Ministers. Accessed September 22, 2016, from http://otca.pagina-oficial.com/assets/documents/20160704/08db070da2d270af24fe666fdd1f28a0.pdf .
5. Amazonian Cooperation Treaty Organisation. (2002). ANNEX A Headquarters Agreement Between the Government of the Federal Republic of Brazil and the Amazon Cooperation Treaty Organisation. Accessed September 22, 2016, from http://otca.pagina-oficial.com/assets/documents/20160704/08db070da2d270af24fe666fdd1f28a0.pdf .