APA-viite (7. p.)

Punch, K. F. (2014). Introduction to social research: Quantitative & qualitative approaches (Third edition.). SAGE.

Chicago-viite (17. p.)

Punch, Keith F. Introduction to Social Research: Quantitative & Qualitative Approaches. Third edition. Thousand Oaks, California: SAGE, 2014.

MLA-viite (9. p.)

Punch, Keith F. Introduction to Social Research: Quantitative & Qualitative Approaches. Third edition. SAGE, 2014.