Cita APA (7th ed.)

Land, G. (1975). What's in the news?: Key to the exercises. Longman.

Cita Chicago (17th ed.)

Land, Geoffrey. What's in the News?: Key to the Exercises. Londres: Longman, 1975.

Cita MLA (9th ed.)

Land, Geoffrey. What's in the News?: Key to the Exercises. Longman, 1975.