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Dyfyniad Arddull ChicagoFetterman, David. Ethnography: Step-by-Step. USA: SAGE Publications, Inc, 2010.
Dyfyniad MLAFetterman, David. Ethnography: Step-by-Step. SAGE Publications, Inc, 2010.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.