Citazione Stile APA (7a Edizione)

Bereiter, C. (1979). Bargains galore: Mathematical thinking stories and problems. Open Court.

Citazione stile Chigago Style (17a edizione)

Bereiter, Carl. Bargains Galore: Mathematical Thinking Stories and Problems. Illinois: Open Court, 1979.

Citatione MLA (9a ed.)

Bereiter, Carl. Bargains Galore: Mathematical Thinking Stories and Problems. Open Court, 1979.