Cita APA (7a ed.)

Beaumont, D., Singleton, K., & Granger, C. (1998). The Heinemann ELT english grammar. McMillan Heinemann.

Cita Chicago Style (17a ed.)

Beaumont, Digby, Ken Singleton, y Colin Granger. The Heinemann ELT English Grammar. Oxford: McMillan Heinemann, 1998.

Cita MLA (9a ed.)

Beaumont, Digby, et al. The Heinemann ELT English Grammar. McMillan Heinemann, 1998.