Dr. Timothy H. Brubaker. Family Relationships in Later Life. SAGE.
Lua i Stíl Chicago (17ú heag.)Dr. Timothy H. Brubaker. Family Relationships in Later Life. SAGE.
Lua MLA (8ú heag.)Dr. Timothy H. Brubaker. Family Relationships in Later Life. SAGE.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.