Gaya APA
de Bono, Edward. (1994).
Future Positive : Change Your Mindset For A Positive Future (ed.1).
London:
Penguin Random House.
Gaya Chicago
de Bono, Edward.
Future Positive : Change Your Mindset For A Positive Future.
ed.1
London:
Penguin Random House,
1994.
.
Gaya MLA
de Bono, Edward.
Future Positive : Change Your Mindset For A Positive Future.
ed.1
London:
Penguin Random House,
1994.
.
Gaya Turabian
de Bono, Edward.
Future Positive : Change Your Mindset For A Positive Future.
ed.1
London:
Penguin Random House,
1994.
.