Becker, G. S. (1991). A treatise on the family (Enl. ed.). Harvard University Press.
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Dyfyniad Arddull Chicago
Becker, Gary S. A Treatise on the Family. Enl. ed. Cambridge, MA: Harvard University Press, 1991.
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Dyfyniad MLA
Becker, Gary S. A Treatise on the Family. Enl. ed. Harvard University Press, 1991.
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Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.