Cita APA (7th ed.)

(2000). Investing in education: Analysis of the 1999 world education indicators. UNESCO/OECD World Education Indicators Programme.

Cita Chicago (17th ed.)

Investing in Education: Analysis of the 1999 World Education Indicators. Paris, Cedex, France: UNESCO/OECD World Education Indicators Programme, 2000.

Cita MLA (9th ed.)

Investing in Education: Analysis of the 1999 World Education Indicators. UNESCO/OECD World Education Indicators Programme, 2000.

Atenció: Aquestes cites poden no estar 100% correctes.