Punch, K. F. (2005). Introduction to social research: Quantitative and qualitative approaches (2nd ed.). Sage Publications Ltd.
Chicago Style (17th ed.) CitationPunch, Keith F. Introduction to Social Research: Quantitative and Qualitative Approaches. 2nd ed. London: Sage Publications Ltd, 2005.
ציטוט MLAPunch, Keith F. Introduction to Social Research: Quantitative and Qualitative Approaches. 2nd ed. Sage Publications Ltd, 2005.
אזהרה: ציטוטים אלה לעיתים לא מדויקים ב 100%.