Dyfyniad APA
Forbes, S. (2005). A natural history of families. Princeton University Press.
Dyfyniad Arddull Chicago
Forbes, Scott. A Natural History of Families. Princeton: Princeton University Press, 2005.
Dyfyniad MLA
Forbes, Scott. A Natural History of Families. Princeton University Press, 2005.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.