APA-čujuhus (7. p.)
Abell, G. O., Marrison, D., & Wolff, S. C. (1992). Realm of the Universe (5th ed.). Saunders College.
Chicago-čujuhus (17. p.)
Abell, George O., David Marrison, juo Sidney C. Wolff. Realm of the Universe. 5th ed. New York: Saunders College, 1992.
MLA-čujuhus (9. p.)
Abell, George O., et al. Realm of the Universe. 5th ed. Saunders College, 1992.
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