APA (7th ed.) Zitazioa
Lessa, I. (1997). Cirrhosis of the liver in Brazil: Mortality and productive years of life lost prematurely.
Chicago Style (17th ed.) Zitazioa
Lessa, Ines. Cirrhosis of the Liver in Brazil: Mortality and Productive Years of Life Lost Prematurely. 1997.
MLA (9th ed.) Zitazioa
Lessa, Ines. Cirrhosis of the Liver in Brazil: Mortality and Productive Years of Life Lost Prematurely. 1997.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.