Doff, A., Stirling, J., Thake, R., Brabben, C., & Lloyd, M. (2010). English unlimited: Starter Teacher's Pack. A1. Cambridge University Press.
Style de citation Chicago (17e éd.)Doff, Adrian, Johanna Stirling, Rachel Thake, Cathy Brabben, et Mark Lloyd. English Unlimited: Starter Teacher's Pack. A1. Cambridge: Cambridge University Press, 2010.
Style de citation MLA (9e éd.)Doff, Adrian, et al. English Unlimited: Starter Teacher's Pack. A1. Cambridge University Press, 2010.
Attention : ces citations peuvent ne pas être correctes à 100%.