APA-čujuhus (7. p.)
Lester, J. D. (1990). Writing research papers: A complete guide (6th ed.). Scott, Foresman/Little, Brown Higher Education.
Chicago-čujuhus (17. p.)
Lester, James D. Writing Research Papers: A Complete Guide. 6th ed. Glenview, Ill.: Scott, Foresman/Little, Brown Higher Education, 1990.
MLA-čujuhus (9. p.)
Lester, James D. Writing Research Papers: A Complete Guide. 6th ed. Scott, Foresman/Little, Brown Higher Education, 1990.
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