@article{Sayer2009,
author = {Sayer, L. and P., England and Bittman, M. and Bianchi, S.},
title= {How long is the second (plus first) shift? Gender differences in paid, unpaid and total work time in Australia and the United States},
year = {2009},
journal = {Journal of Comparative Family Studies},
volume = {40},
number = {4},
pages = {523--545},
}