Heyderman, E. (2010). Complete PET Student's book with answers. Cambridge University Press.
Style de citation ChicagoHeyderman, Emma. Complete PET Student's Book With Answers. Cambridge University Press, 2010.
Style de citation MLAHeyderman, Emma. Complete PET Student's Book With Answers. Cambridge University Press, 2010.
Attention : ces citations peuvent ne pas être correctes à 100%.