Lua APA (7ú heag.)
Abell, G. O., Marrison, D., & Wolff, S. C. (1992). Realm of the Universe (5th ed.). Saunders College.
Lua i Stíl Chicago (17ú heag.)
Abell, George O., David Marrison, agus Sidney C. Wolff. Realm of the Universe. 5th ed. New York: Saunders College, 1992.
Lua MLA (9ú heag.)
Abell, George O., et al. Realm of the Universe. 5th ed. Saunders College, 1992.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.