ERHABOR, G. (2017). Asthma: Basic principles and management strategy. Signet Impressions and Design.
Chicago Style aipamenaERHABOR, Gregory. Asthma: Basic Principles and Management Strategy. Signet Impressions and Design, 2017.
MLA aipamenaERHABOR, Gregory. Asthma: Basic Principles and Management Strategy. Signet Impressions and Design, 2017.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.