Cofnodi Dyfyniadau
Dyfyniad APA
Gruman, G. J. (2003). A history of ideas about the prolongation of life. Springer Pub. Co..
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Dyfyniad Arddull Chicago
Gruman, Gerald J. A History of Ideas About the Prolongation of Life. New York: Springer Pub. Co., 2003.
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Dyfyniad MLA
Gruman, Gerald J. A History of Ideas About the Prolongation of Life. Springer Pub. Co., 2003.
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