(1976). The book of think: Or, How to solve a problem twice your size / written by Marilyn Burns : illustrated by Martha Weston.
Cita Chicago (17th ed.)The Book of Think: Or, How to Solve a Problem Twice Your Size / Written by Marilyn Burns : Illustrated by Martha Weston. 1976.
Cita MLA (9th ed.)The Book of Think: Or, How to Solve a Problem Twice Your Size / Written by Marilyn Burns : Illustrated by Martha Weston. 1976.
Atenció: Aquestes cites poden no estar 100% correctes.