Ladd, M., & Mark Ladd. (2014). Symmetry of crystals and molecules. New York, NY: Oxford University Press.
Dyfyniad Arddull ChicagoLadd, Mark, và Mark Ladd. Symmetry of Crystals and Molecules. New York, NY: Oxford University Press, 2014.
Dyfyniad MLALadd, Mark, và Mark Ladd. Symmetry of Crystals and Molecules. New York, NY: Oxford University Press, 2014.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.