41
Argitaratua 1946
Full text available from Research Library: 01/01/1992 to 01/31/2018
Baliabide elektronikoa Aldizkaria
42
Argitaratua 2005
Full text available from Linguistics Database: 01/01/2017 to present
Baliabide elektronikoa Aldizkako argitalpena
44
Full text available from Linguistics Database: 01/01/2016 to 01/31/2018
Baliabide elektronikoa Aldizkako argitalpena
45
Full text available from Psychology Database: 01/01/1990 to present
Baliabide elektronikoa Aldizkaria
50
Argitaratua 2004
Full text available from Research Library: 01/01/2016 to present
Baliabide elektronikoa Aldizkaria
52
Full text available from Latin America & Iberia Database: 01/01/2011 to present
Baliabide elektronikoa Aldizkaria