Tanne, J. H. (2001). US tries to ban human cloning. BMJ.
Chicago Style aipamenaTanne, Janice Hopkins. US Tries to Ban Human Cloning. BMJ, 2001.
MLA aipamenaTanne, Janice Hopkins. US Tries to Ban Human Cloning. BMJ, 2001.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.