Haag, F., Gonnelli, C., Scandelai, A., Brito, G., Bougleux, R., Batalha, A., . . . Nakiri, K. (2005). Early extubation after heart surgery. BioMed Central.
Chicago Style aipamenaHaag, FF, et al. Early Extubation After Heart Surgery. BioMed Central, 2005.
MLA aipamenaHaag, FF, et al. Early Extubation After Heart Surgery. BioMed Central, 2005.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.