Clough, P. (2002). A student's guide to methodology. SAGE Publications.
Cita Chicago (17th ed.)Clough, Peter. A Student's Guide to Methodology. London Thousand Oaks, CA: SAGE Publications, 2002.
Cita MLA (8th ed.)Clough, Peter. A Student's Guide to Methodology. SAGE Publications, 2002.
Atenció: Aquestes cites poden no estar 100% correctes.