Cita APA

Beaumont D. Digby & Granger C. Colin. (1998). The Heinemann ELT English Grammar. Oxford, Macmillan Heinemann, 1998.

Citación estilo Chicago

Beaumont D. Digby and Granger C. Colin. The Heinemann ELT English Grammar. Oxford, Macmillan Heinemann, 1998, 1998.

Cita MLA

Beaumont D. Digby and Granger C. Colin. The Heinemann ELT English Grammar. Oxford, Macmillan Heinemann, 1998, 1998.

Warning: These citations may not always be 100% accurate.