Lua APA (7ú heag.)
ebrary, Inc, Schaie, K. W., & Abeles, R. P. (2008). Social structures and aging individuals: Continuing challenges. Springer Pub..
Lua i Stíl Chicago (17ú heag.)
ebrary, Inc, K. Warner Schaie, agus Ronald P. Abeles. Social Structures and Aging Individuals: Continuing Challenges. New York: Springer Pub., 2008.
Lua MLA (9ú heag.)
ebrary, Inc, et al. Social Structures and Aging Individuals: Continuing Challenges. Springer Pub., 2008.
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