Clough, P. (2002). A student's guide to methodology. SAGE Publications.
Lua i Stíl Chicago (17ú heag.)Clough, Peter. A Student's Guide to Methodology. London Thousand Oaks, CA: SAGE Publications, 2002.
Lua MLA (8ú heag.)Clough, Peter. A Student's Guide to Methodology. SAGE Publications, 2002.
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