TY  - BOOK
AU  -  Bernstein,Basil B.
TI  -  Class, codes, and control / 
SN  -  0415302862 (set)
U1  -  400 
PY  - 2003///-
CY  -  London : 
PB  -  Routledge, 
KW  -  Sociolinguistics
N1  -  "First published in 1990 by Routledge"--V. 4, t.p. verso;  Includes bibliographical references and index;  v. 4. The structuring of pedagogic discourse
ER  -