Silverman, D. (2004). Qualitative research: Theory, method and practice (2nd ed.). Sage Publications.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रSilverman, David. Qualitative Research: Theory, Method and Practice. 2nd ed. London ; Thousand Oaks, Calif.: Sage Publications, 2004.
एमएलए (9वां संस्करण) प्रशस्ति पत्रSilverman, David. Qualitative Research: Theory, Method and Practice. 2nd ed. Sage Publications, 2004.
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