Winkler, A. (1979). Writing the research paper: A handbook. harcourt Brace Jovanovich Inc.
Lua i Stíl Chicago (17ú heag.)Winkler, Anthony. Writing the Research Paper: A Handbook. New York: harcourt Brace Jovanovich Inc, 1979.
Lua MLA (9ú heag.)Winkler, Anthony. Writing the Research Paper: A Handbook. harcourt Brace Jovanovich Inc, 1979.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.