Icke, V. (2014). Gravity does not exist: A puzzle for the 21st century. Amsterdam University Press.
Citace podle Chicago (17th ed.)Icke, Vincent. Gravity Does Not Exist: A Puzzle for the 21st Century. Amsterdam, Netherlands: Amsterdam University Press, 2014.
Citace podle MLA (9th ed.)Icke, Vincent. Gravity Does Not Exist: A Puzzle for the 21st Century. Amsterdam University Press, 2014.
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