APA način citiranja (7. izdanje)
ebrary, Inc, & Walker, A. (2005). Growing older in Europe. Open University Press.
Čikaški stil citiranja (17. izdanje)
ebrary, Inc, i Alan Walker. Growing Older in Europe. Maidenhead: Open University Press, 2005.
MLA način citiranja (9. izdanje)
ebrary, Inc, i Alan Walker. Growing Older in Europe. Open University Press, 2005.
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