Cita APA (7th ed.)

Shaw, K. (1990). Collins Cobuild English grammar exercises. Collins; The University Of Birmingham.

Cita Chicago (17th ed.)

Shaw, Katy. Collins Cobuild English Grammar Exercises. London: Collins; The University Of Birmingham, 1990.

Cita MLA (9th ed.)

Shaw, Katy. Collins Cobuild English Grammar Exercises. Collins; The University Of Birmingham, 1990.