APA ציטוט

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

Trích dẫn kiểu Chicago

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

ציטוט MLA

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