Cita APA

Thornbury, S., & Scott Thornbury; Jermy Harmer. (1999). How to teach grammar. Harlow: Pearson Education.

Chicago Style Citation

Thornbury, Scott, i Scott Thornbury; Jermy Harmer. How to Teach Grammar. Harlow: Pearson Education, 1999.

Cita MLA

Thornbury, Scott, i Scott Thornbury; Jermy Harmer. How to Teach Grammar. Harlow: Pearson Education, 1999.

Atenció: Aquestes cites poden no estar 100% correctes.