APA-referens (7:e uppl.)

Wallace, B. (2004). Thinking skills and problem-solving: An inclusive approach : a practical guide for teachers in primary schools. D. Fulton.

Chicago-referens (17:e uppl.)

Wallace, Belle. Thinking Skills and Problem-solving: An Inclusive Approach : A Practical Guide for Teachers in Primary Schools. London: D. Fulton, 2004.

MLA-referens (9:e uppl.)

Wallace, Belle. Thinking Skills and Problem-solving: An Inclusive Approach : A Practical Guide for Teachers in Primary Schools. D. Fulton, 2004.