APA aipamena

Burn, D. (1972). Realities of free trade. London: George Allen & Unwin Ltd.

Chicago Style aipamena

Burn, Duncan. Realities of Free Trade. London: George Allen & Unwin Ltd, 1972.

MLA aipamena

Burn, Duncan. Realities of Free Trade. London: George Allen & Unwin Ltd, 1972.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.