APA aipamena

Douglas, S., & Durham, S. (1988). Anorectal malformations in children update 1988.

Chicago Style aipamena

Douglas, Stephens, and Smith Durham. Anorectal Malformations in Children Update 1988. 1988.

MLA aipamena

Douglas, Stephens, and Smith Durham. Anorectal Malformations in Children Update 1988. 1988.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.