एपीए उद्धरण

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

शिकागो स्टाइल उद्धरण

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

एमएलए उद्धरण

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