APA aipamena

(1955). THE MANAGEMENT OF OBSTETRIC DIFFICULTIES: 5th Edition.

Chicago Style aipamena

THE MANAGEMENT OF OBSTETRIC DIFFICULTIES: 5th Edition. 1955.

MLA aipamena

THE MANAGEMENT OF OBSTETRIC DIFFICULTIES: 5th Edition. 1955.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.