Ray, R. E. (1993). The practice of theory: Teacher research in composition. National Council of Teachers of English.
Citazione stile Chigago Style (17a edizione)Ray, Ruth E. The Practice of Theory: Teacher Research in Composition. Urbana: National Council of Teachers of English, 1993.
Citatione MLA (9a ed.)Ray, Ruth E. The Practice of Theory: Teacher Research in Composition. National Council of Teachers of English, 1993.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.