Cita APA

Punch, K. F. (2014). Introduction to social research: Quantitative & qualitative approaches (3rd ed.). Sage Publications.

Chicago Edition Citation

Punch, Keith F. Introduction to Social Research: Quantitative & Qualitative Approaches. 3rd ed. Los Angeles: Sage Publications, 2014.

Cita MLA

Punch, Keith F. Introduction to Social Research: Quantitative & Qualitative Approaches. 3rd ed. Sage Publications, 2014.