Long, M. H., & Doughty, C. (2011). The Handbook of language teaching. Wiley-Blackwell.
Citazione stile Chigago Style (17a edizione)Long, Michael H., e Catherine Doughty. The Handbook of Language Teaching. Chichester, West Sussex, United Kingdom: Wiley-Blackwell, 2011.
Citatione MLA (9a ed.)Long, Michael H., e Catherine Doughty. The Handbook of Language Teaching. Wiley-Blackwell, 2011.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.