Sutton, R. (1991). Assessment: A framework for teachers. Routledge.
Citazione stile Chigago Style (17a edizione)Sutton, Ruth. Assessment: A Framework for Teachers. London: Routledge, 1991.
Citatione MLA (9a ed.)Sutton, Ruth. Assessment: A Framework for Teachers. Routledge, 1991.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.