APA (7th ed.) Zitazioa
Gratz, G., & Schüller, R. (1928). The economic policy of Austria-Hungary during the war in its external relations.
Chicago Style (17th ed.) Zitazioa
Gratz, Gustav, eta Richard Schüller. The Economic Policy of Austria-Hungary During the War in Its External Relations. New Haven, 1928.
MLA (9th ed.) Zitazioa
Gratz, Gustav, eta Richard Schüller. The Economic Policy of Austria-Hungary During the War in Its External Relations. 1928.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.