Arking, R. (2006). The biology of aging: Observations and principles (3rd ed.). Oxford University Press.
Chicago-čujuhus (17. p.)Arking, Robert. The Biology of Aging: Observations and Principles. 3rd ed. Oxford ; New York: Oxford University Press, 2006.
MLA-čujuhus (9. p.)Arking, Robert. The Biology of Aging: Observations and Principles. 3rd ed. Oxford University Press, 2006.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.