APA-čujuhus (7. p.)
(2000). Greener public purchasing: Issues and practical solutions. Organisation for Economic Co-operation and Development.
Chicago-čujuhus (17. p.)
Greener Public Purchasing: Issues and Practical Solutions. Paris: Organisation for Economic Co-operation and Development, 2000.
MLA-čujuhus (9. p.)
Greener Public Purchasing: Issues and Practical Solutions. Organisation for Economic Co-operation and Development, 2000.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.