(2004). Reviews of national policies for education: Bulgaria. OECD.
Cita Chicago (17th ed.)Reviews of National Policies for Education: Bulgaria. Paris, France: OECD, 2004.
Cita MLA (9th ed.)Reviews of National Policies for Education: Bulgaria. OECD, 2004.
Atenció: Aquestes cites poden no estar 100% correctes.