APA (7th ed.) Zitazioa
Sonneck, O. G. (1917). Library of Congress. Catalogue of first editions of Edward MacDowell (1861-1908).
Chicago Style (17th ed.) Zitazioa
Sonneck, Oskar G. Library of Congress. Catalogue of First Editions of Edward MacDowell (1861-1908). Washington, 1917.
MLA (9th ed.) Zitazioa
Sonneck, Oskar G. Library of Congress. Catalogue of First Editions of Edward MacDowell (1861-1908). 1917.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.