TY  - BOOK
AU  - Vaus, David de
TI  - Surveys in social research
T2  - Social research today ; edited by Martin Bulmer
SN  - 9780415530187
U1  - 300.72 VAU 
PY  - 2014///
CY  - London
PB  - Routledge
N1  - Includes bibliographical references
ER  -