236154 Egan, K. (1979). Educational development. New York : OUP.
Lua i Stíl Chicago (17ú heag.)236154 Egan, Kieran. Educational Development. New York : OUP, 1979.
Lua MLA (9ú heag.)236154 Egan, Kieran. Educational Development. New York : OUP, 1979.
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