Harnack, A. (1998). Writing research papers: A student guide for use with opposing viewpoints (2nd ed.). Greenhaven Press.
Čikaški stil citiranja (17. izdanje)Harnack, Andrew. Writing Research Papers: A Student Guide for Use with Opposing Viewpoints. 2nd ed. San Diego, CA: Greenhaven Press, 1998.
MLA način citiranja (9. izdanje)Harnack, Andrew. Writing Research Papers: A Student Guide for Use with Opposing Viewpoints. 2nd ed. Greenhaven Press, 1998.
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