Black, T. R. (2002). Understanding social science research (2nd ed.). Sage.
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Dyfyniad Arddull Chicago
Black, Thomas R. Understanding Social Science Research. 2nd ed. London ; Thousand Oaks: Sage, 2002.
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Dyfyniad MLA
Black, Thomas R. Understanding Social Science Research. 2nd ed. Sage, 2002.
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Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.