Beringer, C., & Beringer, J. J. (1895). A text-book of assaying for the use of those connected with mines (3d ed., rev.). C. Griffin & Co..
Dyfyniad Arddull ChicagoBeringer, C., and J. J. Beringer. A Text-book of Assaying for the Use of Those Connected with Mines. 3d ed., rev. London: C. Griffin & Co., 1895.
Dyfyniad MLABeringer, C., and J. J. Beringer. A Text-book of Assaying for the Use of Those Connected with Mines. 3d ed., rev. C. Griffin & Co., 1895.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.