Arking, R. (2006). The biology of aging: Observations and principles (3rd ed.). Oxford University Press.
Lua i Stíl Chicago (17ú heag.)Arking, Robert. The Biology of Aging: Observations and Principles. 3rd ed. Oxford ; New York: Oxford University Press, 2006.
Lua MLA (9ú heag.)Arking, Robert. The Biology of Aging: Observations and Principles. 3rd ed. Oxford University Press, 2006.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.