Winchell, A. N. (1964). Elements of optical mineralogy: : An introduction to microscopic petrography (2nd ed.). Neudrack publisheres.
Dyfyniad Arddull ChicagoWinchell, Alexander N. Elements of Optical Mineralogy: : An Introduction to Microscopic Petrography. 2nd ed. Amsterdam: Neudrack publisheres, 1964.
Dyfyniad MLAWinchell, Alexander N. Elements of Optical Mineralogy: : An Introduction to Microscopic Petrography. 2nd ed. Neudrack publisheres, 1964.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.