Johnson, D. W., & Johnson, R. T. (1975). Learning togethet and alone: Cooperation, competition and individualization. Prentice Hall.
Styl ChicagoJohnson, David W., a Roger T. Johnson. Learning Togethet and Alone: Cooperation, Competition and Individualization. New Jersey: Prentice Hall, 1975.
Citace podle MLAJohnson, David W., a Roger T. Johnson. Learning Togethet and Alone: Cooperation, Competition and Individualization. Prentice Hall, 1975.
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