This article considered the issues of the use of English language sources by master’s degree students in Kazakhstan. The aim of this study was to identify the challenges master’s students face when using sources and provide recommendations for improvement. A questionnaire was used with a total of 85 respondents. The study provided an overview of the most common barriers to using sources encountered by master’s students and highlighted the importance of overcoming these challenges in order to improve the quality of their research and writing. The research found that master’s students frequently struggle to identify relevant and reputable sources, as well as to select them, and have weaknesses in finding controversies while working with sources. It is also difficult for master's students to properly integrate sources into their own work. The challenges of the study’s findings are presented in detail in the article. The article provides recommendations for improving master’s students’ source use skills.