Citazione Stile APA (7a Edizione)

Harmer, J., & Lethaby, C. (2005). Just Listening and Speaking: For class or self-study. Upper Intermediate. Marshall Cavendish.

Citazione stile Chigago Style (17a edizione)

Harmer, Jeremy, e Carol Lethaby. Just Listening and Speaking: For Class or Self-study. Upper Intermediate. Londres: Marshall Cavendish, 2005.

Citatione MLA (9a ed.)

Harmer, Jeremy, e Carol Lethaby. Just Listening and Speaking: For Class or Self-study. Upper Intermediate. Marshall Cavendish, 2005.