Cita APA

Williamson, J. B., & Pampel, F. C. (1993). Old-age security in comparative perspective. New York: Oxford University Press.

Citación estilo Chicago

Williamson, John B., and Fred C. Pampel. Old-age Security in Comparative Perspective. New York: Oxford University Press, 1993.

Cita MLA

Williamson, John B., and Fred C. Pampel. Old-age Security in Comparative Perspective. New York: Oxford University Press, 1993.