Susan Krauss Whitbourne & Stacey B Whitbourne. (2008). Adult development and aging: Biopsychosocial perspectives. John willey and sons.
Chicago Style aipamenaSusan Krauss Whitbourne and Stacey B Whitbourne. Adult Development and Aging: Biopsychosocial Perspectives. John willey and sons, 2008.
MLA aipamenaSusan Krauss Whitbourne and Stacey B Whitbourne. Adult Development and Aging: Biopsychosocial Perspectives. John willey and sons, 2008.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.