Dyfyniad APA

Snow, T. P. (1987). Essentials of the dynamic universe: An introduction to astronomy (2nd ed.). West Pub. Co..

Dyfyniad Arddull Chicago

Snow, Theodore P. Essentials of the Dynamic Universe: An Introduction to Astronomy. 2nd ed. St. Paul: West Pub. Co., 1987.

Dyfyniad MLA

Snow, Theodore P. Essentials of the Dynamic Universe: An Introduction to Astronomy. 2nd ed. West Pub. Co., 1987.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.