Octávio Amorim Neto; Marina Costa Lobo (2010). „Between Constitutional Diffusion and Local Politics: Semi-Presidentialism in Portuguese-Speaking Countries”. Social Science Research Network. SSRN1644026.
Octávio Amorim Neto; Marina Costa Lobo (2010). „Between Constitutional Diffusion and Local Politics: Semi-Presidentialism in Portuguese-Speaking Countries”. Social Science Research Network. SSRN1644026.