APA-čujuhus (7. p.)
United States of America, Department of Health Education and Welfare. (1968). Education in relation to social and economic change in México.
Chicago-čujuhus (17. p.)
United States of America, Department of Health Education and Welfare. Education in Relation to Social and Economic Change in México. 1968.
MLA-čujuhus (9. p.)
United States of America, Department of Health Education and Welfare. Education in Relation to Social and Economic Change in México. 1968.
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