Snow, T. P. (1985). The dynamic universe: An introduction to astronomy (2nd ed.). West.
Dyfyniad Arddull ChicagoSnow, Theodore Peck. The Dynamic Universe: An Introduction to Astronomy. 2nd ed. St. Paul: West, 1985.
Dyfyniad MLASnow, Theodore Peck. The Dynamic Universe: An Introduction to Astronomy. 2nd ed. West, 1985.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.