Winkler, A. C. (1979). Writing the research paper: A handbook. Harcourt Brace Jovanovich.
Chicago-čujuhus (17. p.)Winkler, Anthony C. Writing the Research Paper: A Handbook. New York: Harcourt Brace Jovanovich, 1979.
MLA-čujuhus (9. p.)Winkler, Anthony C. Writing the Research Paper: A Handbook. Harcourt Brace Jovanovich, 1979.
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