Cita APA (7th ed.)
UNESCO. (1980). The multilateral exchange of educational audio-visual materials: Existing mechanisms and suggestions for the future.
Cita Chicago (17th ed.)
UNESCO. The Multilateral Exchange of Educational Audio-visual Materials: Existing Mechanisms and Suggestions for the Future. 1980.
Cita MLA (9th ed.)
UNESCO. The Multilateral Exchange of Educational Audio-visual Materials: Existing Mechanisms and Suggestions for the Future. 1980.
Atenció: Aquestes cites poden no estar 100% correctes.