Calderhead, J., Day, C., & Denicolo, P. (1993). Research on thinking: Understanding professional development. Falmer.
Citazione stile Chigago Style (17a edizione)Calderhead, James, Christopher Day, e Pam Denicolo. Research on Thinking: Understanding Professional Development. London: Falmer, 1993.
Citatione MLA (9a ed.)Calderhead, James, et al. Research on Thinking: Understanding Professional Development. Falmer, 1993.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.