Gaya APA
de Bono, Edward. (2015).
LATERAL THINKING .
USA:
HARPER PERENNIAL.
Gaya Chicago
de Bono, Edward.
LATERAL THINKING.
USA:
HARPER PERENNIAL,
2015.
Text.
Gaya MLA
de Bono, Edward.
LATERAL THINKING.
USA:
HARPER PERENNIAL,
2015.
Text.
Gaya Turabian
de Bono, Edward.
LATERAL THINKING.
USA:
HARPER PERENNIAL,
2015.
Print.