31. | | Autor: Calheiros, Francisco de | |
32. | | Autor: Turpault, Alex | |
33. | | Autor: Calheiros, Francisco de | |
34. | | | |
35. | | Autor: Whitley, Robert E. | |
36. | | Autor: Frei, Xavier | |
37. | | Autor: Colenda, Cynthia A. | |
38. | | Col.autor: Congrès National des Offices de Tourisme et Syndicats d Iniciative. 1996 | |
39. | | Autor: Pereira, António | |
40. | | | |