1
Έκδοση 1996
Full text available from Latin America & Iberia Database: 01/01/2012 to present
Full text available from Linguistics Database: 01/01/2012 to present
Ηλεκτρονική πηγή Επιστημονικό περιοδικό
2
Έκδοση 1962
Full text available from Latin America & Iberia Database: 01/01/2014 to 01/31/2020
Full text available from Research Library: 01/01/2014 to 01/31/2020
Full text available from Linguistics Database: 01/01/2014 to 01/31/2020
Ηλεκτρονική πηγή Περιοδική έκδοση