Turabian, K. L., Booth, W. C., Colomb, G. G., Williams, J. M., Bizup, J., & FitzGerald, W. T. (2018). A manual for writers of research papers, theses, and dissertations: Chicago style for students and researchers (Ninth edition.). The University of Chicago Press.
Chicago-referens (17:e uppl.)Turabian, Kate L., Wayne C. Booth, Gregory G. Colomb, Joseph M. Williams, Joseph Bizup, och William T. FitzGerald. A Manual for Writers of Research Papers, Theses, and Dissertations: Chicago Style for Students and Researchers. Ninth edition. Chicago: The University of Chicago Press, 2018.
MLA-referens (9:e uppl.)Turabian, Kate L., et al. A Manual for Writers of Research Papers, Theses, and Dissertations: Chicago Style for Students and Researchers. Ninth edition. The University of Chicago Press, 2018.