Humphreys, J. (1997). Negotiating in the European Union: How to Make the Brussels Machine Work for You. London: Century.
শিকাগো স্টাইলে সাইটেশনHumphreys, James. Negotiating in the European Union: How to Make the Brussels Machine Work for You. London: Century, 1997.
এমএলএ সাইটেশনHumphreys, James. Negotiating in the European Union: How to Make the Brussels Machine Work for You. London: Century, 1997.
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