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Dyfyniad Arddull ChicagoWetcher-Hendricks, Debra. Analyzing Quantitative Data: An Introduction for Social Researchers. Hoboken, New Jersey: Wiley, 2011.
Dyfyniad MLAWetcher-Hendricks, Debra. Analyzing Quantitative Data: An Introduction for Social Researchers. Wiley, 2011.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.