PUNCH, K. F. (2014). Introduction to social research: Quantitative & qualitative approaches. SAGE.
Cita Chicago (17th ed.)PUNCH, Keith F. Introduction to Social Research: Quantitative & Qualitative Approaches. SAGE, 2014.
Cita MLA (9th ed.)PUNCH, Keith F. Introduction to Social Research: Quantitative & Qualitative Approaches. SAGE, 2014.
Atenció: Aquestes cites poden no estar 100% correctes.