Cita APA

Heyderman, E. (2010). Complete PET Student's book with answers. Cambridge University Press.

Chicago Style Citation

Heyderman, Emma. Complete PET Student's Book With Answers. Cambridge University Press, 2010.

Cita MLA

Heyderman, Emma. Complete PET Student's Book With Answers. Cambridge University Press, 2010.

Atenció: Aquestes cites poden no estar 100% correctes.