Dokumentuaren aipamena

APA (7th ed.) Zitazioa
Middleton, H. C., Peake, M. D., & Howard, P. (1979). Hypoxaemia in chronic obstructive bronchitis. Thorax.
Chicago Style (17th ed.) Zitazioa
Middleton, H C., M D. Peake, eta P. Howard. "Hypoxaemia in Chronic Obstructive Bronchitis." Thorax 1979.
MLA (9th ed.) Zitazioa
Middleton, H C., et al. "Hypoxaemia in Chronic Obstructive Bronchitis." Thorax, 1979.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.