LESTER, J. D. (1999). Writing research papers: A complete guide. Longman.
Lua i Stíl Chicago (17ú heag.)LESTER, James D. Writing Research Papers: A Complete Guide. Longman, 1999.
Lua MLA (9ú heag.)LESTER, James D. Writing Research Papers: A Complete Guide. Longman, 1999.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.