Citace podle APA (7th ed.)
(2000). Greener public purchasing: Issues and practical solutions. Organisation for Economic Co-operation and Development.
Citace podle Chicago (17th ed.)
Greener Public Purchasing: Issues and Practical Solutions. Paris: Organisation for Economic Co-operation and Development, 2000.
Citace podle MLA (9th ed.)
Greener Public Purchasing: Issues and Practical Solutions. Organisation for Economic Co-operation and Development, 2000.
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