@article{Zipp2002,
author = {Zipp, J.F. and Toth, J.},
title= {She said, he said, they said: The impact of spousal presence in survey research},
year = {2002},
doi = {10.1086/340028},
journal = {The Public Opinion Quarterly},
volume = {66},
number = {2},
pages = {177--208},
}