APA Alıntı

Clotfelter, B. E. (1976). The universe and its structure.

Chicago Stili Alıntı

Clotfelter, Beryl E. The Universe and Its Structure. New York, Mc Graw Hill, 1976.

MLA Alıntı

Clotfelter, Beryl E. The Universe and Its Structure. 1976.