APA (7th ed.) Zitazioa
British Society of Periodontology. Journal of clinical periodontology. Munksgaard.
Chicago Style (17th ed.) Zitazioa
British Society of Periodontology. Journal of Clinical Periodontology. Copenhagen: Munksgaard.
MLA (9th ed.) Zitazioa
British Society of Periodontology. Journal of Clinical Periodontology. Munksgaard.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.