Citace podle APA

Asimov, I. (1987). Frontiers: New discoveries about man and his planet, outer space and the universe. Truman Talley Books.

Styl Chicago

Asimov, Isaac. Frontiers: New Discoveries About Man and His Planet, Outer Space and the Universe. New York: Truman Talley Books, 1987.

Citace podle MLA

Asimov, Isaac. Frontiers: New Discoveries About Man and His Planet, Outer Space and the Universe. Truman Talley Books, 1987.

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