Cita APA

Payne, G., & Payne, J. (2004). Key concepts in social research. London ; Thousand Oaks, Calif.: SAGE Publications.

Citación estilo Chicago

Payne, Geoff., and Judy Payne. Key Concepts in Social Research. London ; Thousand Oaks, Calif.: SAGE Publications, 2004.

Cita MLA

Payne, Geoff., and Judy Payne. Key Concepts in Social Research. London ; Thousand Oaks, Calif.: SAGE Publications, 2004.