Klein, H. S. (2004). A population history of the United States. Cambridge, UK: Cambridge University Press.
Dyfyniad Arddull ChicagoKlein, Herbert S. A Population History of the United States. Cambridge, UK: Cambridge University Press, 2004.
Dyfyniad MLAKlein, Herbert S. A Population History of the United States. Cambridge, UK: Cambridge University Press, 2004.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.