APA način citiranja (7. izdanje)
(2003). The environmental performance of public procurement: Issues of policy coherence. OECD.
Čikaški stil citiranja (17. izdanje)
The Environmental Performance of Public Procurement: Issues of Policy Coherence. Paris, France: OECD, 2003.
MLA način citiranja (9. izdanje)
The Environmental Performance of Public Procurement: Issues of Policy Coherence. OECD, 2003.
Upozorenje: Ovi citati možda nisu uvijek 100% točni.