एपीए उद्धरण

OECD. (2013). PISA 2012 Results: What Makes Schools Successful. OECD.

शिकागो स्टाइल उद्धरण

OECD. PISA 2012 Results: What Makes Schools Successful. OECD, 2013.

एमएलए उद्धरण

OECD. PISA 2012 Results: What Makes Schools Successful. OECD, 2013.