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