Freedman, S. W., Greenleaf, C., & Sperling, M. (1987). Response to student writing. National Council of Teachers of English.
Citazione stile Chigago Style (17a edizione)Freedman, Sarah Warshauer, Cynthia Greenleaf, e Melanie Sperling. Response to Student Writing. Urbana, Ill: National Council of Teachers of English, 1987.
Citatione MLA (9a ed.)Freedman, Sarah Warshauer, et al. Response to Student Writing. National Council of Teachers of English, 1987.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.