APA

OECD, . (2012). Quality matters in early childhood education and care. Paris: OECD.

Chicago

OECD, . 2012. Quality matters in early childhood education and care. Paris: OECD.

Harvard

OECD, . (2012). Quality matters in early childhood education and care. Paris: OECD.

MLA

OECD, . Quality matters in early childhood education and care. Paris: OECD. 2012.