Citazione Stile APA (7a Edizione)

Punch, K. (2005). Introduction to social research: Quantitative and qualitative approaches (2nd ed.). SAGE.

Citazione stile Chigago Style (17a edizione)

Punch, Keith. Introduction to Social Research: Quantitative and Qualitative Approaches. 2nd ed. London ; Thousand Oaks, Calif.: SAGE, 2005.

Citatione MLA (8a ed.)

Punch, Keith. Introduction to Social Research: Quantitative and Qualitative Approaches. 2nd ed. SAGE, 2005.