Watkins, P. (2005). The position of the Royal College of Physicians on assisted dying. Clin Med (Lond).
Chicago Style aipamenaWatkins, Peter. "The Position of the Royal College of Physicians On Assisted Dying." Clin Med (Lond) 2005.
MLA aipamenaWatkins, Peter. "The Position of the Royal College of Physicians On Assisted Dying." Clin Med (Lond) 2005.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.