BOGDAN, R. (1975). Introduction to qualitative research methods: A phenomenological approach to the social sciences. John Wiley and Sons.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रBOGDAN, Robert. Introduction to Qualitative Research Methods: A Phenomenological Approach to the Social Sciences. New York: John Wiley and Sons, 1975.
एमएलए (9वां संस्करण) प्रशस्ति पत्रBOGDAN, Robert. Introduction to Qualitative Research Methods: A Phenomenological Approach to the Social Sciences. John Wiley and Sons, 1975.
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