Cita APA (7th ed.)

Jones, L., & Kimbrough, V. Great ideas. Listening and speaking activities for students of american english (8a ed.).

Cita Chicago (17th ed.)

Jones, Leo, i Victoria Kimbrough. Great Ideas. Listening and Speaking Activities for Students of American English. 8a ed.

Cita MLA (8th ed.)

Jones, Leo, i Victoria Kimbrough. Great Ideas. Listening and Speaking Activities for Students of American English. 8a ed.