Tulloch, P. (1975). The politics of preferences: EEC policy making and the generalised system of preferences. Croom Helm.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रTulloch, Peter. The Politics of Preferences: EEC Policy Making and the Generalised System of Preferences. London: Croom Helm, 1975.
एमएलए (9वां संस्करण) प्रशस्ति पत्रTulloch, Peter. The Politics of Preferences: EEC Policy Making and the Generalised System of Preferences. Croom Helm, 1975.
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