APA (7th ed.) Zitazioa
Brebou, M. S. (1967). Incidence of calculus and gingivitis: Some observations in patients treated by dental students.
Chicago Style (17th ed.) Zitazioa
Brebou, Maria S. Incidence of Calculus and Gingivitis: Some Observations in Patients Treated by Dental Students. Zurich, 1967.
MLA (9th ed.) Zitazioa
Brebou, Maria S. Incidence of Calculus and Gingivitis: Some Observations in Patients Treated by Dental Students. 1967.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.