BOGDAN, R. (1975). Introduction To Qualitative Research Methods A Phenomenological Approach To The Social Sciences Robert Bodgan And Steven J. Taylor. John Wiley & Sons.
Lua i Stíl Chicago (17ú heag.)BOGDAN, Robert. Introduction To Qualitative Research Methods A Phenomenological Approach To The Social Sciences Robert Bodgan And Steven J. Taylor. John Wiley & Sons, 1975.
Lua MLA (8ú heag.)BOGDAN, Robert. Introduction To Qualitative Research Methods A Phenomenological Approach To The Social Sciences Robert Bodgan And Steven J. Taylor. John Wiley & Sons, 1975.
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