Chicago : The University of Chicago Press
Majalah, Jurnal, Buletin
Amsterdam John Benjamins Publishing 1983
Buku Teks
Santa Fe : University of New Mexico
Majalah, Jurnal, Buletin
Breva-Claramonte, Manuel
Amsterdam John Benjamins Publishing 1983
Buku Teks
Columbia : Columbia University Press and American Dialect Society
Majalah, Jurnal, Buletin