Cowie, H., Rudduck, J., University of sheffield. Division of Education, & Co-operative Group Work Project. (1991). Co-operative group work: Training guide. Published by BP Educational Service on behalf of the Co-operative Group Work Project.
Citace podle Chicago (17th ed.)Cowie, Helen, Jean Rudduck, University of sheffield. Division of Education, a Co-operative Group Work Project. Co-operative Group Work: Training Guide. London: Published by BP Educational Service on behalf of the Co-operative Group Work Project, 1991.
Citace podle MLA (9th ed.)Cowie, Helen, et al. Co-operative Group Work: Training Guide. Published by BP Educational Service on behalf of the Co-operative Group Work Project, 1991.
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