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Dyfyniad Arddull ChicagoSieber, Joan E. Sharing Social Science Data: Advantages and Challenges. Newbury Park, Calif.: Sage Publications, 1991.
Dyfyniad MLASieber, Joan E. Sharing Social Science Data: Advantages and Challenges. Sage Publications, 1991.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.