APA-referens (7:e uppl.)
Gilbert, D. A. (2013). Expanding the strike zone: Baseball in the age of free agency. University of Massachusetts Press.
Chicago-referens (17:e uppl.)
Gilbert, Daniel A. Expanding the Strike Zone: Baseball in the Age of Free Agency. Amherst, [Massachusetts] ; Boston, [Massachusetts]: University of Massachusetts Press, 2013.
MLA-referens (9:e uppl.)
Gilbert, Daniel A. Expanding the Strike Zone: Baseball in the Age of Free Agency. University of Massachusetts Press, 2013.
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