Daniels, G. H. (1994). American science in the age of Jackson. University of Alabama Press.
Dyfyniad Arddull ChicagoDaniels, George H. American Science in the Age of Jackson. Tuscaloosa: University of Alabama Press, 1994.
Dyfyniad MLADaniels, George H. American Science in the Age of Jackson. University of Alabama Press, 1994.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.