Cook, I. G., & Halsall, J. (2012). Aging in Comparative Perspective: Processes and Policies. Springer US. https://doi.org/10.1007/978-1-4614-1978-5

Cook, Ian Gillespie, and Jamie Halsall. Aging in Comparative Perspective: Processes and Policies. Boston, MA: Springer US, 2012. https://doi.org/10.1007/978-1-4614-1978-5.

Cook, Ian Gillespie, and Jamie Halsall. Aging in Comparative Perspective: Processes and Policies. Springer US, 2012. https://doi.org/10.1007/978-1-4614-1978-5.