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