Marzano, R. J., Frontier, T., & Livingston, D. (2011). Effective supervision: Supporting the art and science of teaching. ASCD.
Citazione stile Chigago Style (17a edizione)Marzano, Robert J., Tony Frontier, e David Livingston. Effective Supervision: Supporting the Art and Science of Teaching. Alexandria, Va.: ASCD, 2011.
Citatione MLA (9a ed.)Marzano, Robert J., et al. Effective Supervision: Supporting the Art and Science of Teaching. ASCD, 2011.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.