TY  - RPRT
A1  - Manning, W.D.
T1  - Trends in cohabitation: Over twenty years of change, 1987–2010
Y1  - 2013
UR  - http://ncfmr.bgsu.edu/pdf/family_profiles/file130944.pdf
PB  - National Center for Family and Marriage Research
T3  - FP-13-12

ER  -