Davey, A., Femia, E. E., Zarit, S. H., Shea, D. G., Sundström, G., Berg, S., . . . Savla, J. (2005). Life on the Edge: Patterns of Formal and Informal Help to Older Adults in the United States and Sweden.

Davey, Adam, Elia E. Femia, Steven H. Zarit, Dennis G. Shea, Gerdt Sundström, Stig Berg, Michael A. Smyer, e Jyoti Savla. Life On the Edge: Patterns of Formal and Informal Help to Older Adults in the United States and Sweden. 2005.

Davey, Adam, et al. Life On the Edge: Patterns of Formal and Informal Help to Older Adults in the United States and Sweden. 2005.