APA (7th ed.) Zitazioa
ebrary, Inc, Sheets, D. J., Bradley, D. B., & Hendricks, J. (2006). Enduring questions in gerontology. Springer Pub. Co..
Chicago Style (17th ed.) Zitazioa
ebrary, Inc, Debra J. Sheets, Dana Burr Bradley, eta Jon Hendricks. Enduring Questions in Gerontology. New York: Springer Pub. Co., 2006.
MLA (9th ed.) Zitazioa
ebrary, Inc, et al. Enduring Questions in Gerontology. Springer Pub. Co., 2006.
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