Lua APA (7ú heag.)
ebrary, Inc, & Oers, B. v. (2008). The transformation of learning: Advances in cultural-historical activity theory. Cambridge University Press.
Lua i Stíl Chicago (17ú heag.)
ebrary, Inc, agus B. van Oers. The Transformation of Learning: Advances in Cultural-historical Activity Theory. New York ; Cambridge: Cambridge University Press, 2008.
Lua MLA (9ú heag.)
ebrary, Inc, agus B. van Oers. The Transformation of Learning: Advances in Cultural-historical Activity Theory. Cambridge University Press, 2008.
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