Park, R. (1880). Cases of Poisoning with the Seeds of the Castor Oil Plant. Glasgow Med J.
Chicago Style aipamenaPark, Robert. "Cases of Poisoning With the Seeds of the Castor Oil Plant." Glasgow Med J 1880.
MLA aipamenaPark, Robert. "Cases of Poisoning With the Seeds of the Castor Oil Plant." Glasgow Med J 1880.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.