(1965). Landmarks in international co-operation: International Co-operation Year 1965.
Cita Chicago (17th ed.)Landmarks in International Co-operation: International Co-operation Year 1965. 1965.
Cita MLA (9th ed.)Landmarks in International Co-operation: International Co-operation Year 1965. 1965.
Atenció: Aquestes cites poden no estar 100% correctes.