166
Argitaratua 1946
Full text available from Research Library: 01/01/1992 to 01/31/2018
Baliabide elektronikoa Aldizkaria
168
Argitaratua 2005
Full text available from Linguistics Database: 01/01/2017 to present
Baliabide elektronikoa Aldizkako argitalpena
171
Argitaratua 1975
Full text available from Continental Europe Database: 04/01/2001 to 10/31/2018
Baliabide elektronikoa Aldizkaria