Calaprice, A., Kennefick, D., & Schulmann, R. J. (2015). An Einstein encyclopedia. Princeton University Press.
Dyfyniad Arddull ChicagoCalaprice, Alice, Daniel Kennefick, and Robert J. Schulmann. An Einstein Encyclopedia. Princeton: Princeton University Press, 2015.
Dyfyniad MLACalaprice, Alice, et al. An Einstein Encyclopedia. Princeton University Press, 2015.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.