Katz, M., Marsh, W. P., & Thompson, G. G. (1977). Earth's answer: Explorations of planetary culture at the Lindisfarne conferences. Lindisfarne Books.
Citace podle Chicago (17th ed.)Katz, Michael, William Parker Marsh, a Gail Gordon Thompson. Earth's Answer: Explorations of Planetary Culture at the Lindisfarne Conferences. New York: Lindisfarne Books, 1977.
Citace podle MLA (8th ed.)Katz, Michael, et al. Earth's Answer: Explorations of Planetary Culture at the Lindisfarne Conferences. Lindisfarne Books, 1977.
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