Lester, J. D. (1996). Writing research papers: A complete guide (8th ed.). HarperCollins College Pub.
Cita Chicago (17th ed.)Lester, James D. Writing Research Papers: A Complete Guide. 8th ed. New York: HarperCollins College Pub, 1996.
Cita MLA (9th ed.)Lester, James D. Writing Research Papers: A Complete Guide. 8th ed. HarperCollins College Pub, 1996.
Atenció: Aquestes cites poden no estar 100% correctes.