Finlay, G. I. (1913). Introduction to the study of igneous rocks. McGraw-Hill.
Dyfyniad Arddull ChicagoFinlay, George Irving. Introduction to the Study of Igneous Rocks. New York: McGraw-Hill, 1913.
Dyfyniad MLAFinlay, George Irving. Introduction to the Study of Igneous Rocks. McGraw-Hill, 1913.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.