265
Argitaratua 1981
Full text available from Linguistics Database: 01/01/2017 to present
Baliabide elektronikoa Aldizkako argitalpena
275
Argitaratua 1976
Full text available from ABI/INFORM Global: 01/01/2004 to present
Baliabide elektronikoa Aldizkako argitalpena
279
Full text available from Middle East Newsstream: 10/06/2009 to present
Baliabide elektronikoa Aldizkako argitalpena