Matthews, A., Spratt, M., & Dangerfield, L. (1985). At the chalkface: Practical techniques in language teaching. Edward Arnold.
Citazione stile Chigago Style (17a edizione)Matthews, Alan, Mary Spratt, e Les Dangerfield. At the Chalkface: Practical Techniques in Language Teaching. London: Edward Arnold, 1985.
Citatione MLA (9a ed.)Matthews, Alan, et al. At the Chalkface: Practical Techniques in Language Teaching. Edward Arnold, 1985.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.