Holt Paperbacks. 240 pages. ISBN 978-0-8050-8831-1.Fogarty, Mignon (2009). The Grammar Devotional: Daily Tips for Successful Writing from Grammar Girl. New York: Holt Paperbacks. ISBN 978-0-8050-9165-6.Fondiller, Shirley; Nerone, Barbara J. (2007). Health Professionals Style Manual. New York: Springer Publishing. 152 pages. ISBN 0-8261-0207-7.Free Software Foundation (12 April 2010). "5.2 Commenting Your Work". GNU Coding Standards. Free Software Foundation17 May 2010.Garner, Bryan A. (2009). Garner's Modern American Usage (3rd ed.). Oxford: Oxford University Press. ISBN 978-0-19-538275-4.Garner, Bryan A.; Newman, Jeff; Jackson, Tiger (2006). The Redbook: A Manual on Legal Style (2nd ed.). Thompson West. 1008 pages. ISBN 978-0-314-16891-7.Haber, Ralph Norman; Haber, Lyn R. (1981). "Visual Components of the Reading Process". Visible Language. Visible Language. 15 (2): 147–182.Haley, Allan (June/July 2006). "Typographic Details". Dynamic Graphics. WebMediaBrands Inc. සම්ප්‍රවේශය 1