Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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