APA (7th ed.) Zitazioa
Borchers, A. A. (2015). Handbook of signs & symptoms (5th ed.). Wolters Kluwer.
Chicago Style (17th ed.) Zitazioa
Borchers, Andrea Ann. Handbook of Signs & Symptoms. 5th ed. Philadelphia: Wolters Kluwer, 2015.
MLA (9th ed.) Zitazioa
Borchers, Andrea Ann. Handbook of Signs & Symptoms. 5th ed. Wolters Kluwer, 2015.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.