Lipgens, W., & Loth, W. (1991). Documents on the history of European integration. Walter de Gruyter.
Cita Chicago Style (17a ed.)Lipgens, Walter, y Wilfried Loth. Documents on the History of European Integration. Berlin [etc.]: Walter de Gruyter, 1991.
Cita MLA (9a ed.)Lipgens, Walter, y Wilfried Loth. Documents on the History of European Integration. Walter de Gruyter, 1991.
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