Masoro, E. J. (1999). Challenges of biological aging. Springer.
Chicago-čujuhus (17. p.)Masoro, Edward J. Challenges of Biological Aging. New York: Springer, 1999.
MLA-čujuhus (9. p.)Masoro, Edward J. Challenges of Biological Aging. Springer, 1999.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.