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