APA aipamena

Cuckle, H., & Lilford, R. (1993). Antenatal screening for Down's syndrome: Authors' reply.

Chicago Style aipamena

Cuckle, H., and R. Lilford. Antenatal Screening for Down's Syndrome: Authors' Reply. 1993.

MLA aipamena

Cuckle, H., and R. Lilford. Antenatal Screening for Down's Syndrome: Authors' Reply. 1993.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.