Style de citation APA (7e éd.)

Louart, B. (2009). The First bloody sunday.

Style de citation Chicago (17e éd.)

Louart, Bertrand. The First Bloody Sunday. 2009.

Style de citation MLA (8e éd.)

Louart, Bertrand. The First Bloody Sunday. 2009.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.