THOMAS, G. (2017). How to do your research project: A guide for students. SAGE.
Lua i Stíl Chicago (17ú heag.)THOMAS, Gary. How to Do Your Research Project: A Guide for Students. SAGE, 2017.
Lua MLA (9ú heag.)THOMAS, Gary. How to Do Your Research Project: A Guide for Students. SAGE, 2017.
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