Silverman, D. (1997). Qualitative research: Theory, method, and practice. Sage Publications.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रSilverman, David. Qualitative Research: Theory, Method, and Practice. London ; Thousand Oaks, Calif. ; New Delhi: Sage Publications, 1997.
एमएलए (8वां संस्करण) प्रशस्ति पत्रSilverman, David. Qualitative Research: Theory, Method, and Practice. Sage Publications, 1997.
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