Gaya APA
Deci, Edward L.. (1996).
Why we do what we do : understanding self-motivation .
London:
Penguin Books.
Gaya Chicago
Deci, Edward L..
Why we do what we do : understanding self-motivation.
London:
Penguin Books,
1996.
Text.
Gaya MLA
Deci, Edward L..
Why we do what we do : understanding self-motivation.
London:
Penguin Books,
1996.
Text.
Gaya Turabian
Deci, Edward L..
Why we do what we do : understanding self-motivation.
London:
Penguin Books,
1996.
Print.