Ney, P. G. (1991). Ethics of euthanasia.
Chicago Style aipamenaNey, Philip G. Ethics of Euthanasia. 1991.
MLA aipamenaNey, Philip G. Ethics of Euthanasia. 1991.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.
Ney, P. G. (1991). Ethics of euthanasia.
Chicago Style aipamenaNey, Philip G. Ethics of Euthanasia. 1991.
MLA aipamenaNey, Philip G. Ethics of Euthanasia. 1991.