Autores
Allub, Antonio
1
Atkins, Peter; Jones, Loreta
1
Bajah, S'Tunde
1
Chang, Raymond; College, Williams
1
Depau, Cármen; Tonelli, Lidia; Cavalchino, Adelba
1
Fernández Serventi, Héctor
1
Ferro, José Lucas
1
Nylén, P. ; Wigren, N.
1
Ramírez Medeles, María del Carmen
1
Zugazagoltía Herranz, Rosa (trads.)
1