एपीए उद्धरण

Robertson, D. (1968). Scope for new trade strategy: Dimensionse of free trade. London: The Atlantic Trade Study Moor House.

शिकागो स्टाइल उद्धरण

Robertson, David. Scope for New Trade Strategy: Dimensionse of Free Trade. London: The Atlantic Trade Study Moor House, 1968.

एमएलए उद्धरण

Robertson, David. Scope for New Trade Strategy: Dimensionse of Free Trade. London: The Atlantic Trade Study Moor House, 1968.