Heath, K. (2009). Aging by the book: The emergence of midlife in Victorian Britain. SUNY Press.
Lua i Stíl Chicago (17ú heag.)Heath, Kay. Aging by the Book: The Emergence of Midlife in Victorian Britain. Albany: SUNY Press, 2009.
Lua MLA (9ú heag.)Heath, Kay. Aging by the Book: The Emergence of Midlife in Victorian Britain. SUNY Press, 2009.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.