APA
Costa D. L., National Bureau Of Economic Research, . (1997). A house of her own: Old age assistance and the living arrangements of older nonmarried women. Cambridge, MA: NBER.
Chicago
Costa Dora L, National Bureau Of Economic Research, . 1997. A house of her own: Old age assistance and the living arrangements of older nonmarried women. Cambridge, MA: NBER.
Harvard
Costa D. L., National Bureau Of Economic Research, . (1997). A house of her own: Old age assistance and the living arrangements of older nonmarried women. Cambridge, MA: NBER.
MLA
Costa Dora L, National Bureau Of Economic Research, . A house of her own: Old age assistance and the living arrangements of older nonmarried women. Cambridge, MA: NBER. 1997.