Kukla Andre. (2007). Mental Traps,Stupid Things That Sane People Do To Mess Up Their Minds. Prfessional Publishing ,McGrow-Hill.
Chicago-viite (17. p.)Kukla Andre. Mental Traps,Stupid Things That Sane People Do To Mess Up Their Minds. USA: Prfessional Publishing ,McGrow-Hill, 2007.
MLA-viite (9. p.)Kukla Andre. Mental Traps,Stupid Things That Sane People Do To Mess Up Their Minds. Prfessional Publishing ,McGrow-Hill, 2007.
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