APA

OECD, . (2015). OECD digital government studies. Paris: OECD.

Chicago

OECD, . 2015. OECD digital government studies. Paris: OECD.

Harvard

OECD, . (2015). OECD digital government studies. Paris: OECD.

MLA

OECD, . OECD digital government studies. Paris: OECD. 2015.