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Lua i Stíl Chicago (17ú heag.)Studies Computers agus John J. [ed.] HIRSCHBUHL. Computers in Education.-- Ed.4. Guilford: The Dushkin Pub. Group, 1990.
Lua MLA (9ú heag.)Studies Computers agus John J. [ed.] HIRSCHBUHL. Computers in Education.-- Ed.4. The Dushkin Pub. Group, 1990.
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