Organisation for Economic Co-operation and Development & ProQuest (Firm). (2011). Improving lower secondary schools in Norway, 2011. OECD.
Citace podle Chicago (17th ed.)Organisation for Economic Co-operation and Development a ProQuest (Firm). Improving Lower Secondary Schools in Norway, 2011. [Paris]: OECD, 2011.
Citace podle MLA (9th ed.)Organisation for Economic Co-operation and Development a ProQuest (Firm). Improving Lower Secondary Schools in Norway, 2011. OECD, 2011.
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