Lua APA (7ú heag.)

Black, T. R. (1999). Doing quantitative research in the social sciences. SAGE.

Lua i Stíl Chicago (17ú heag.)

Black, Thomas R. Doing Quantitative Research in the Social Sciences. London: SAGE, 1999.

Lua MLA (8ú heag.)

Black, Thomas R. Doing Quantitative Research in the Social Sciences. SAGE, 1999.

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