Walter, C. (1982). Authentic reading: A course in reading skills for upper-intermediate students. Cambridge University.
Citazione stile Chigago Style (17a edizione)Walter, Catherine. Authentic Reading: A Course in Reading Skills for Upper-intermediate Students. Nueva York: Cambridge University, 1982.
Citatione MLA (9a ed.)Walter, Catherine. Authentic Reading: A Course in Reading Skills for Upper-intermediate Students. Cambridge University, 1982.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.