Winkler, A. (1979). Writing the research paper: A handbook. harcourt Brace Jovanovich Inc.
Cita Chicago (17th ed.)Winkler, Anthony. Writing the Research Paper: A Handbook. New York: harcourt Brace Jovanovich Inc, 1979.
Cita MLA (9th ed.)Winkler, Anthony. Writing the Research Paper: A Handbook. harcourt Brace Jovanovich Inc, 1979.
Atenció: Aquestes cites poden no estar 100% correctes.