European Federation of Periodontology & Tonetti, M. S. (1974). Journal of clinical periodontology. Blackwell.
Style de citation Chicago (17e éd.)European Federation of Periodontology et Maurizio S. Tonetti. Journal of Clinical Periodontology. Oxford: Blackwell, 1974.
Style de citation MLA (8e éd.)European Federation of Periodontology et Maurizio S. Tonetti. Journal of Clinical Periodontology. Blackwell, 1974.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.