Winkler, A. (1979). Writing the research paper: A handbook. harcourt Brace Jovanovich Inc.
Chicago Style aipamenaWinkler, Anthony. Writing the Research Paper: A Handbook. New York: harcourt Brace Jovanovich Inc, 1979.
MLA aipamenaWinkler, Anthony. Writing the Research Paper: A Handbook. harcourt Brace Jovanovich Inc, 1979.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.