Germany (West). (1972). Educational policy and planning: Germany. Directorate for Scientific Affairs, Organisation for Economic Co-operation and Development.
Citazione stile Chigago Style (17a edizione)Germany (West). Educational Policy and Planning: Germany. [Paris]: Directorate for Scientific Affairs, Organisation for Economic Co-operation and Development, 1972.
Citatione MLA (8a ed.)Germany (West). Educational Policy and Planning: Germany. Directorate for Scientific Affairs, Organisation for Economic Co-operation and Development, 1972.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.