[1]
Bastos, S.D.G., Galvão, V.C.C., Gonçalves, S.C.L., Hattnher, M.M.D., Hengeveld, K., Sousa, G.C. de e Vendrame, V. 2009. The expressibility of modality in representational complement clauses in Brazilian Portuguese. ALFA: Revista de Linguística. 51, 2 (maio 2009).