European Commission (Brussels, Belgium). (2004). Collection and use of expertise by the Commission: Principles and guidelines. Office for Official Publications of the European Communities.
Citace podle Chicago (17th ed.)European Commission (Brussels, Belgium). Collection and Use of Expertise by the Commission: Principles and Guidelines. Luxembourg: Office for Official Publications of the European Communities, 2004.
Citace podle MLA (9th ed.)European Commission (Brussels, Belgium). Collection and Use of Expertise by the Commission: Principles and Guidelines. Office for Official Publications of the European Communities, 2004.
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