Gaya APA
De Bono, Edward. (1990).
Lateral thinking : creativity step by step .
:
Harper Perennial.
Gaya Chicago
De Bono, Edward.
Lateral thinking : creativity step by step.
:
Harper Perennial,
1990.
Text.
Gaya MLA
De Bono, Edward.
Lateral thinking : creativity step by step.
:
Harper Perennial,
1990.
Text.
Gaya Turabian
De Bono, Edward.
Lateral thinking : creativity step by step.
:
Harper Perennial,
1990.
Print.