Penne, R. B. (2019). Oculoplastics (Third edition.). Wolters Kluwer Health.
Chicago Style (17th ed.) ZitazioaPenne, Robert B. Oculoplastics. Third edition. Philadelphia, USA: Wolters Kluwer Health, 2019.
MLA (9th ed.) ZitazioaPenne, Robert B. Oculoplastics. Third edition. Wolters Kluwer Health, 2019.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.