APA (7th ed.) Zitazioa

(1907). Title V. The Department of state.

Chicago Style (17th ed.) Zitazioa

Title V. The Department of State. 1907.

MLA (9th ed.) Zitazioa

Title V. The Department of State. 1907.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.