Hyerle, D. (2009). Visual tools for transforming information into knowledge (2nd ed.). Corwin Press.
Citazione stile Chigago Style (17a edizione)Hyerle, David. Visual Tools for Transforming Information into Knowledge. 2nd ed. Thousand Oaks, Calif: Corwin Press, 2009.
Citatione MLA (9a ed.)Hyerle, David. Visual Tools for Transforming Information into Knowledge. 2nd ed. Corwin Press, 2009.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.