2
Argitaratua 1947
Full text available from Linguistics Database: 01/01/2013 to 11/30/2018
Baliabide elektronikoa Aldizkaria
3
Argitaratua 1967
Full text available from PRISMA Database with HAPI Index: 05/01/2007 to present
Baliabide elektronikoa Aldizkaria
5
Argitaratua 1970
Full text available from Latin America & Iberia Database: 04/01/2008 to present
Baliabide elektronikoa Aldizkaria