Jack C. Richards. (2005). Connect 4: Workbook. Cambridge: Cambridge University Press.
Style de citation ChicagoJack C. Richards. Connect 4: Workbook. Cambridge: Cambridge University Press, 2005.
Style de citation MLAJack C. Richards. Connect 4: Workbook. Cambridge: Cambridge University Press, 2005.
Attention : ces citations peuvent ne pas être correctes à 100%.