Citace podle APA (7th ed.)

(2004). Buying green: A handbook on environmental public procurement. Office for Official Publications of the European Communities.

Citace podle Chicago (17th ed.)

Buying Green: A Handbook on Environmental Public Procurement. Luxembourg: Office for Official Publications of the European Communities, 2004.

Citace podle MLA (9th ed.)

Buying Green: A Handbook on Environmental Public Procurement. Office for Official Publications of the European Communities, 2004.

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