Young, Roxanne K. "Redundant, Expendable, and Incomparable Words and Phrases." AMA Manual of Style. 20090401. Oxford University Press. Date of access 19 May. 2013, <http://www.amamanualofstyle.com/view/10.1093/jama/9780195176339.001.0001/med-9780195176339-div1-118>.
Young, R. (20090401). Redundant, Expendable, and Incomparable Words and Phrases. AMA Manual of Style. Retrieved 19 May. 2013, from http://www.amamanualofstyle.com/view/10.1093/jama/9780195176339.001.0001/med-9780195176339-div1-118.
Young, Roxanne K. "Redundant, Expendable, and Incomparable Words and Phrases." AMA Manual of Style. 19 May. 2013. http://www.amamanualofstyle.com/view/10.1093/jama/9780195176339.001.0001/med-9780195176339-div1-118.
Young RK. Redundant, expendable, and incomparable words and phrases. In: AMA Manual of Style Committee. AMA Manual of Style: A Guide for Authors and Editors. 10th edition ed. New York, NY: Oxford University Press; 2007:405-407. http://www.amamanualofstyle.com/view/10.1093/jama/9780195176339.001.0001/med-9780195176339-div1-118. Accessed May 19, 2013.