Punch. (2005). Introduction to social research: Quantitative and qualitative approaches (2nd ed.). Sage publication ltd.
Chicago Style (17th ed.) CitationPunch. Introduction to Social Research: Quantitative and Qualitative Approaches. 2nd ed. Great Britian: Sage publication ltd, 2005.
MLA (9th ed.) CitationPunch. Introduction to Social Research: Quantitative and Qualitative Approaches. 2nd ed. Sage publication ltd, 2005.
Warning: These citations may not always be 100% accurate.