Citazione Stile APA (7a Edizione)

Payne, G., & Payne, J. (2004). Key concepts in social research. SAGE.

Citazione stile Chigago Style (17a edizione)

Payne, Geoff, e Judy Payne. Key Concepts in Social Research. London: SAGE, 2004.

Citatione MLA (8a ed.)

Payne, Geoff, e Judy Payne. Key Concepts in Social Research. SAGE, 2004.