APA (7th ed.) Zitazioa
Gallo, V. (2011). Unusual signs and symptoms in internal medicine. SEEd.
Chicago Style (17th ed.) Zitazioa
Gallo, Vittorio. Unusual Signs and Symptoms in Internal Medicine. Torino: SEEd, 2011.
MLA (9th ed.) Zitazioa
Gallo, Vittorio. Unusual Signs and Symptoms in Internal Medicine. SEEd, 2011.
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