Gaya APA
Dobelli, Rolf. (2013).
The Art of Thinking Clearly .
London:
Scere.
Gaya Chicago
Dobelli, Rolf.
The Art of Thinking Clearly.
London:
Scere,
2013.
Text.
Gaya MLA
Dobelli, Rolf.
The Art of Thinking Clearly.
London:
Scere,
2013.
Text.
Gaya Turabian
Dobelli, Rolf.
The Art of Thinking Clearly.
London:
Scere,
2013.
Print.