Burns, M., & Weston, M. (1976). The book of think: Or how to solve a problem twice your size. Little, Brown and Company.
Chicago-referens (17:e uppl.)Burns, Marilyn, och Martha Weston. The Book of Think: Or How to Solve a Problem Twice Your Size. Boston: Little, Brown and Company, 1976.
MLA-referens (9:e uppl.)Burns, Marilyn, och Martha Weston. The Book of Think: Or How to Solve a Problem Twice Your Size. Little, Brown and Company, 1976.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.