Europäische Kommission Generaldirektion Landwirtschaft. (1991). Porcine reproductive and respiratory syndrome (the new pig disease): A report on the seminar held in Brussels on 4-5 november 1991 and organised by the European Commission (Directorate General for Agriculture). Commission of the European Communities.
Chicago-Zitierstil (17. Ausg.)Europäische Kommission Generaldirektion Landwirtschaft. Porcine Reproductive and Respiratory Syndrome (the New Pig Disease): A Report on the Seminar Held in Brussels on 4-5 November 1991 and Organised by the European Commission (Directorate General for Agriculture). Brussels: Commission of the European Communities, 1991.
MLA-Zitierstil (9. Ausg.)Europäische Kommission Generaldirektion Landwirtschaft. Porcine Reproductive and Respiratory Syndrome (the New Pig Disease): A Report on the Seminar Held in Brussels on 4-5 November 1991 and Organised by the European Commission (Directorate General for Agriculture). Commission of the European Communities, 1991.