Fraknoi, A., & Morrison, D. W. (2000). Voyages to the stars and galaxies (2nd.). Saunders College Publishing.
Chicago-стиль цитированияFraknoi, Andrew, and David Wolff Morrison. Voyages to the Stars and Galaxies. 2nd. New York: Saunders College Publishing, 2000.
MLA-цитированиеFraknoi, Andrew, and David Wolff Morrison. Voyages to the Stars and Galaxies. 2nd. Saunders College Publishing, 2000.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.