Dyfyniad APA
Clark, W. R. (2002). A means to an end: The biological basis of aging and death. Oxford University Press.
Dyfyniad Arddull Chicago
Clark, William R. A Means to an End: The Biological Basis of Aging and Death. New York ; Oxford: Oxford University Press, 2002.
Dyfyniad MLA
Clark, William R. A Means to an End: The Biological Basis of Aging and Death. Oxford University Press, 2002.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.