Gaya APA
Burns, M., Weston, M. (1976).
The book of think : (or how to solve a problem twice your size) .
Canada:
rown and Company.
Gaya MLA
Burns, Marilyn., Weston, Martha.
"The book of think : (or how to solve a problem twice your size)".
Canada:
rown and Company,
1976.
Text.