Wells, J.C..
The British Isles / - 1st ed / - Cambridge CB2 1RP : Cambridge University Press. - p.465 :
0-521-28540-2
Linguistics
P111:12 / M2.2
The British Isles / - 1st ed / - Cambridge CB2 1RP : Cambridge University Press. - p.465 :
0-521-28540-2
Linguistics
P111:12 / M2.2