Turabian K. L. A manual for writers of research papers, theses, and dissertations : Chicago style for students and researchers / Kate L. Turabian ; revised by Wayne C. Booth, Gregory G. Colomb, Joseph M. Williams, and University of Chicago Press editorial staff. - 7th ed.. - Chicago [a. o.] : University of Chicago Press, 2007. - XVIII, 466 p.: ill. - ( Chicago guides to writing, editing, and publishing ) . URL: http://www.loc.gov/catdir/toc/ecip0618/2006025443.html. URL: http://www.loc.gov/catdir/enhancements/fy0707/2006025443-b.html. URL: http://www.loc.gov/catdir/enhancements/fy0707/2006025443-d.html