Kaufman, A. A. (1992). Geophysical fied theory and method. Academic.
Dyfyniad Arddull ChicagoKaufman, Alexander A. Geophysical Fied Theory and Method. New York: Academic, 1992.
Dyfyniad MLAKaufman, Alexander A. Geophysical Fied Theory and Method. Academic, 1992.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.