Henn, M., Weinstein,Mark, & Nick, F. (2005). A SHORT INTRODUCTION TO SOCIAL RESEARCH. SAGE Publications.
Cita Chicago (17th ed.)Henn, Matt, Weinstein,Mark, i Foard Nick. A SHORT INTRODUCTION TO SOCIAL RESEARCH. London • Thousand Oaks • New Delhi: SAGE Publications, 2005.
Cita MLA (9th ed.)Henn, Matt, et al. A SHORT INTRODUCTION TO SOCIAL RESEARCH. SAGE Publications, 2005.
Atenció: Aquestes cites poden no estar 100% correctes.