Brockman John. (2008). What Is Your Dangerous Idea: Today's Leading Thinkers on the Unthinkable (1st.). Harper.
Citace podle Chicago (17th ed.)Brockman John. What Is Your Dangerous Idea: Today's Leading Thinkers on the Unthinkable. 1st. London: Harper, 2008.
Citace podle MLA (9th ed.)Brockman John. What Is Your Dangerous Idea: Today's Leading Thinkers on the Unthinkable. 1st. Harper, 2008.
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