Labov, William.
The social stratification of english in New York city / / William Labov. .-- Washington D.C.: : Center for Applied Linguistics, , 1966. .-- 655 p.; : diag.
The social stratification of english in New York city / / William Labov. .-- Washington D.C.: : Center for Applied Linguistics, , 1966. .-- 655 p.; : diag.