APA aipamena

Wren, J. (1972). The great battles of World War I. Hamlyn.

Chicago Style aipamena

Wren, Jack. The Great Battles of World War I. London: Hamlyn, 1972.

MLA aipamena

Wren, Jack. The Great Battles of World War I. Hamlyn, 1972.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.