APA (7th ed.) Zitazioa
Perspectives on Swallowing and Swallowing Disorders (Dysphagia).
Chicago Style (17th ed.) Zitazioa
Perspectives on Swallowing and Swallowing Disorders (Dysphagia).
MLA (9th ed.) Zitazioa
Perspectives on Swallowing and Swallowing Disorders (Dysphagia).
Kontuz: berrikusi erreferentzia hauek erabili aurretik.