Gaya APA
Gillett, R. (1992).
Change your mind, change your world : a practical guide to turning limiting beliefs into positive realities .
New York:
Simon and Schuster.
Gaya MLA
Gillett, Richard.
"Change your mind, change your world : a practical guide to turning limiting beliefs into positive realities".
New York:
Simon and Schuster,
1992.
Text.