APA način citiranja (7. izdanje)

ProQuest (Firm). (2010). Denmark: Efficient e-Government for smarter public service delivery. OECD.

Čikaški stil citiranja (17. izdanje)

ProQuest (Firm). Denmark: Efficient E-Government for Smarter Public Service Delivery. Paris: OECD, 2010.

MLA način citiranja (9. izdanje)

ProQuest (Firm). Denmark: Efficient E-Government for Smarter Public Service Delivery. OECD, 2010.