The objective of this article is to analyze the factors that may influence the results t of a systematic literature review (SLR) in Social Sciences and Humanities. It is a case study focused on the analysis of a SLR centered on reading research and digital reading. Through this analysis it was possible to detect errors commonly found in bibliographic reference information provided by different sources. In addition, the diversity of sources treated permitted an understanding of the disparity in the data provided by sources of information. The difficulty in managing non-standard data, and the need to include different standardization techniques in order to reduce the number of errors and allows avoiding the distortion in interpretations of the data. The results indicated that SLR is a suitable technique to apply it in the Social Sciences and Humanities although was possible to recognize that carries more difficulties than in other areas.