APA-viite (7. p.)
Callahan, D. (2000). The troubled dream of life: In search of a peaceful death. Georgetown University Press.
Chicago-viite (17. p.)
Callahan, Daniel. The Troubled Dream of Life: In Search of a Peaceful Death. Washington, District of Columbia: Georgetown University Press, 2000.
MLA-viite (9. p.)
Callahan, Daniel. The Troubled Dream of Life: In Search of a Peaceful Death. Georgetown University Press, 2000.
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