TY  - CHAP
A1  - Knab, J.T.
A1  - McLanahan, S. 
T1  - Measuring cohabitation: Does how, when, and who you ask matter?
Y1  - 2007
A3  - Hofferth, S.L.
A3  - Casper, L.M. 
T2  - Handbook of Measurement Issues in Family Research
CY  - Mahwah, NJ
PB  - Lawrence Erlbaum Associates

ER  -