Wall, W. D. (1977). Constructive education for adolescents. UNESCO : Harrap.
Cita Chicago Style (17a ed.)Wall, William Douglas. Constructive Education for Adolescents. Paris ; London: UNESCO : Harrap, 1977.
Cita MLA (9a ed.)Wall, William Douglas. Constructive Education for Adolescents. UNESCO : Harrap, 1977.
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