Dobson, R. (2000). Cloning of pigs bring xenotransplants closer. British Medical Journal.
Chicago Style aipamenaDobson, Roger. Cloning of Pigs Bring Xenotransplants Closer. British Medical Journal, 2000.
MLA aipamenaDobson, Roger. Cloning of Pigs Bring Xenotransplants Closer. British Medical Journal, 2000.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.