Calaprice, A. (2011). The ultimate quotable Einstein. Princeton University Press.
Dyfyniad Arddull ChicagoCalaprice, Alice. The Ultimate Quotable Einstein. Oxford: Princeton University Press, 2011.
Dyfyniad MLACalaprice, Alice. The Ultimate Quotable Einstein. Princeton University Press, 2011.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.