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Lua i Stíl Chicago (17ú heag.)BARNES, Fred P. Research for the Practitioner in Education. Washington: National Education Association, 1964.
Lua MLA (9ú heag.)BARNES, Fred P. Research for the Practitioner in Education. National Education Association, 1964.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.