Oliveira, M. A.-Y.-, Szcygiel, N., Barreiros, B. e Andrade, M. M. (2017) «Superstar Cristiano Ronaldo’s effect on national reputation, pride and tourism in Continental Portugal and on the Island of Madeir»a, Revista Turismo & Desenvolvimento, 1(27/28), pp. 667-677. doi: 10.34624/rtd.v1i27/28.8751.